{
  "A": [
    {
      "content": "A. Soils that have:",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "A",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Permafrost within 100 cm of the soil surface; or",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "A",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Gelic materials within 100 cm of the soil surface and permafrost within 200 cm of the soil surface.",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "A",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Gelisols, p. 189",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "A",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "B": [
    {
      "content": "B. Other soils that:",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have andic soil properties in 60 percent or more of the thickness between the soil surface and either a depth of 60 cm or a densic, lithic, or paralithic contact or duripan if shallower; and",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have organic soil materials that meet one or more of the following:",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Overlie cindery, fragmental, or pumiceous materials and/or fill their interstices* and directly below these materials have a densic, lithic, or paralithic contact; or",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. When added with the underlying cindery, fragmental, or pumiceous materials, total 40 cm or more between the soil surface and a depth of 50 cm; or",
      "chapter": 4,
      "page": 67,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Constitute two-thirds or more of the total thickness of the soil to a densic, lithic, or paralithic contact and have no mineral horizons or have mineral horizons with a total thickness of 10 cm or less; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "d. Are saturated with water for 30 days or more per year in normal years (or are artificially drained), have an upper boundary within 40 cm of the soil surface, and have a total thickness of either:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) 60 cm or more if three-fourths or more of their volume consists of moss fibers or if their bulk density, moist, is less than 0.1 g/cm3 ; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) 40 cm or more if they consist either of sapric or hemic materials, or of fibric materials with less than three-fourths (by volume) moss fibers and a bulk density, moist, of 0.1 g/cm3 or more.",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Histosols, p. 199",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "B",
      "clause": 10,
      "logic": "NEW"
    }
  ],
  "C": [
    {
      "content": "C. Other soils that do not have a plaggen epipedon or an argillic or kandic horizon above a spodic horizon, and have one or more of the following:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A spodic horizon, an albic horizon in 50 percent or more of each pedon, and a cryic or gelic soil temperature regime; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. An Ap horizon containing 85 percent or more spodic materials; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A spodic horizon with all of the following characteristics:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. One or more of the following:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) A thickness of 10 cm or more; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(2) An overlying Ap horizon; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(3) Cementation in 50 percent or more of each pedon; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(4) A texture class that is finer than coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand in the fine-earth fraction and a frigid temperature regime in the soil; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(5) A cryic or gelic temperature regime in the soil; and",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "and b. An upper boundary within the following depths from the mineral soil surface: either",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "(1) Less than 50 cm; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 12,
      "logic": "OR"
    },
    {
      "content": "(2) Less than 200 cm if the soil has a texture class of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand, in the fine-earth fraction, in some horizon between the mineral soil surface and the spodic horizon; and",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 13,
      "logic": "AND"
    },
    {
      "content": "c. A lower boundary as follows:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 14
    },
    {
      "content": "(1) Either at a depth of 25 cm or more below the mineral soil surface or at the top of a duripan or fragipan or at a densic, lithic, paralithic, or petroferric contact, whichever is shallowest; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 15,
      "logic": "OR"
    },
    {
      "content": "(2) At any depth, (a) If the spodic horizon has a texture class that is finer than coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand in the fine- earth fraction and the soil has a frigid temperature regime; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 16,
      "logic": "OR"
    },
    {
      "content": "(b) If the soil has a cryic or gelic temperature regime; and",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 17,
      "logic": "AND"
    },
    {
      "content": "d. Either:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 18,
      "logic": "OR"
    },
    {
      "content": "(1) A directly overlying albic horizon in 50 percent or more of each pedon; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 19,
      "logic": "OR"
    },
    {
      "content": "(2) No andic soil properties in 60 percent or more of the thickness either:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 20,
      "logic": "OR"
    },
    {
      "content": "(a) Within 60 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 21,
      "logic": "OR"
    },
    {
      "content": "(b) Between either the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 22,
      "logic": "END"
    },
    {
      "content": "Spodosols, p. 311",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "C",
      "clause": 23,
      "logic": "NEW"
    }
  ],
  "D": [
    {
      "content": "D. Other soils that have andic soil properties in 60 percent or more of the thickness either:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "D",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "D",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between either the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "D",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Andisols, p. 117",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "D",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "E": [
    {
      "content": "E. Other soils that have either:",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "E",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An oxic horizon within 150 cm of the mineral soil surface and no kandic horizon within that depth; or",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "E",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 40 percent or more (by weight) clay in the fine-earth fraction between the mineral soil surface and a depth of 18 cm (after mixing) and a kandic horizon that has the weatherable-mineral properties of an oxic horizon and has its upper boundary within 100 cm of the mineral soil surface.",
      "chapter": 4,
      "page": 68,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "E",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxisols, p. 295",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "E",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "F": [
    {
      "content": "F. Other soils that have:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "F",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. A layer 25 cm or more thick, within 100 cm of the mineral soil surface, that has either slickensides or wedge- shaped peds that have their long axes tilted 10 to 60 degrees from the horizontal; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "F",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A weighted average of 30 percent or more clay in the fine-earth fraction either between the mineral soil surface and a depth of 18 cm or in an Ap horizon, whichever is thicker, and 30 percent or more clay in the fine-earth fraction of all horizons between a depth of 18 cm and either a depth of 50 cm or a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon if shallower; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "F",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Cracks* that open and close periodically.",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "F",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Vertisols, p. 343",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "F",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "G": [
    {
      "content": "G. Other soils that:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 2
    },
    {
      "content": "a. An aridic soil moisture regime; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. An ochric or anthropic epipedon; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "c. One or more of the following within 100 cm of the soil surface: a cambic horizon with a lower depth of 25 cm or more; a cryic soil temperature regime and a cambic horizon; an anhydritic, calcic, gypsic, petrocalcic, petrogypsic, or salic horizon; or a duripan; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "d. An argillic or natric horizon; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "2. Have a salic horizon; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "a. Saturation with water in one or more layers within 100 cm of the soil surface for 1 month or more during a normal year; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "b. A moisture control section that is dry in some or all parts at some time during normal years; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "c. No sulfuric horizon within 150 cm of the mineral soil surface.",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aridisols, p. 137",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "G",
      "clause": 11,
      "logic": "NEW"
    }
  ],
  "H": [
    {
      "content": "H. Other soils that have either:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An argillic or kandic horizon, but no fragipan, and a base saturation (by sum of cations) of less than 35 percent at one of the following depths:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. If the epipedon has a texture class of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand in the fine-earth fraction throughout, then the base saturation criterion is met at either:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "(1) 125 cm below the upper boundary of the argillic horizon (but no deeper than 200 cm below the mineral soil surface) or 180 cm below the mineral soil surface, whichever is deeper; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(2) At a densic, lithic, paralithic, or petroferric contact if shallower; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. The shallowest of the following depths:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 6
    },
    {
      "content": "(1) 125 cm below the upper boundary of the argillic or kandic horizon; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) 180 cm below the mineral soil surface; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(3) At a densic, lithic, paralithic, or petroferric contact; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "2. A fragipan and both of the following:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. Either an argillic or a kandic horizon above, within, or below the fragipan, or clay films 1 mm or more thick in one or more of its subhorizons; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 11,
      "logic": "AND"
    },
    {
      "content": "b. A base saturation (by sum of cations) of less than 35 percent at the shallowest of the following depths:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 12
    },
    {
      "content": "(1) 75 cm below the upper boundary of the fragipan; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 13,
      "logic": "OR"
    },
    {
      "content": "or (2) 200 cm below the mineral soil surface; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 14,
      "logic": "OR"
    },
    {
      "content": "(3) At a densic, lithic, paralithic, or petroferric contact.",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 15,
      "logic": "END"
    },
    {
      "content": "Ultisols, p. 321",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "H",
      "clause": 16,
      "logic": "NEW"
    }
  ],
  "I": [
    {
      "content": "I. Other soils that have both of the following:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Either:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mollic epipedon; or",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Both:",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) A surface horizon that meets all the requirements for a mollic epipedon except thickness after the soil has been mixed to a depth of 18 cm; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(2) A subhorizon more than 7.5 cm thick, within the upper part of an argillic, kandic, or natric horizon, that meets the color, organic carbon content, base saturation, and structure requirements of a mollic epipedon but is separated from the surface horizon by an albic horizon; and",
      "chapter": 4,
      "page": 69,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation of 50 percent or more (by NH4 OAc) in all horizons either:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "a. Between the upper boundary of any argillic, kandic, or natric horizon and a depth of 125 cm below that boundary; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. Between the mineral soil surface and a depth of 180 cm; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "c. Between the mineral soil surface and a densic, lithic, or paralithic contact, whichever depth is shallowest.",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Mollisols, p. 247",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "I",
      "clause": 11,
      "logic": "NEW"
    }
  ],
  "J": [
    {
      "content": "J. Other soils that do not have a plaggen epipedon and that have either:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "J",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An argillic, kandic, or natric horizon; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "J",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fragipan that has clay films 1 mm or more thick in some part.",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "J",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfisols, p. 73",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "J",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "K": [
    {
      "content": "K. Other soils that do not have a positive water potential at the soil surface for more than 21 hours each day in all years and that have either:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or more of the following:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A cambic horizon that is within 100 cm of the mineral soil surface and has a lower boundary at a depth of 25 cm or more below the mineral soil surface; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A calcic, petrocalcic, gypsic, petrogypsic, or placic horizon or a duripan within a depth of 100 cm of the mineral soil surface; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A fragipan or an oxic, sombric, or spodic horizon within 200 cm of the mineral soil surface; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "d. A sulfuric horizon within 150 cm of the mineral soil surface; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "e. A cryic or gelic soil temperature regime and a cambic horizon; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "2. No sulfidic materials within 50 cm of the mineral soil surface and both:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. In one or more horizons between 20 and 50 cm below the mineral soil surface, either an n value of 0.7 or less (or a fluidity class of nonfluid) or less than 8 percent clay in the fine-earth fraction; and",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "b. One or more of the following:",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(1) A folistic, histic, mollic, plaggen, or umbric epipedon; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "(2) A salic horizon; or",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 12,
      "logic": "OR"
    },
    {
      "content": "(3) In 50 percent or more of the layers between the mineral soil surface and a depth of 50 cm, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more), which decreases with increasing depth below 50 cm, and also ground water within 100 cm of the mineral soil surface at some time during the year when the soil is not frozen in any part.",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 13,
      "logic": "END"
    },
    {
      "content": "Inceptisols, p. 207",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "K",
      "clause": 14,
      "logic": "NEW"
    }
  ],
  "L": [
    {
      "content": "L. Other soils.",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "L",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entisols, p. 165",
      "chapter": 4,
      "page": 70,
      "key": "Key to Soil Orders",
      "taxa": "*",
      "crit": "L",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JA": [
    {
      "content": "JA. Alfisols that have, in one or more horizons within 50 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and have one or both of the following:",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in all layers between either the lower boundary of an Ap horizon or a depth of 25 cm below the mineral soil surface, whichever is deeper, and a depth of 40 cm; and one of the following within the upper 12.5 cm of the argillic, natric, glossic, or kandic horizon:",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 50 percent or more redox depletions with chroma of 2 or less on faces of peds and redox concentrations within peds; or",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Redox concentrations and 50 percent or more redox depletions with chroma of 2 or less in the matrix; or",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. 50 percent or more redox depletions with chroma of 1 or less on faces of peds or in the matrix, or both; or",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "2. In the horizons that have aquic conditions, enough active ferrous iron to give a positive reaction to alpha,alpha- dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aqualfs, p. 73",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JA",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "JB": [
    {
      "content": "JB. Other Alfisols that have a cryic or isofrigid soil temperature regime.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryalfs, p. 82",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JC": [
    {
      "content": "JC. Other Alfisols that have an ustic soil moisture regime.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustalfs, p. 97",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JD": [
    {
      "content": "JD. Other Alfisols that have a xeric soil moisture regime.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeralfs, p. 109",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JE": [
    {
      "content": "JE. Other Alfisols.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udalfs, p. 86",
      "chapter": 5,
      "page": 73,
      "key": "Key to Suborders",
      "taxa": "Alfisols",
      "crit": "JE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAA": [
    {
      "content": "JAA. Aqualfs that have a cryic soil temperature regime.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaqualfs, p. 75",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAB": [
    {
      "content": "JAB. Other Aqualfs that have one or more horizons, at a depth between 30 and 150 cm from the mineral soil surface, in which plinthite either forms a continuous phase or constitutes one-half or more of the volume.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthaqualfs, p. 81",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAC": [
    {
      "content": "JAC. Other Aqualfs that have a duripan.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duraqualfs, p. 75",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAD": [
    {
      "content": "JAD. Other Aqualfs that have a natric horizon.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natraqualfs, p. 81",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAE": [
    {
      "content": "JAE. Other Aqualfs that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiaqualfs, p. 79",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAF": [
    {
      "content": "JAF. Other Aqualfs that have a kandic horizon.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiaqualfs, p. 80",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAG": [
    {
      "content": "JAG. Other Aqualfs that have one or more layers, at least 25 cm thick (cumulative) within 100 cm of the mineral soil surface, that have 50 percent or more (by volume) recognizable bioturbation, such as filled animal burrows, wormholes, or casts.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermaqualfs, p. 82",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAH": [
    {
      "content": "JAH. Other Aqualfs that have an abrupt textural change between the ochric epipedon or albic horizon and the argillic horizon and have a saturated hydraulic conductivity of 0.4 cm/hr (1.0 µm/sec) or slower (moderately low or lower Ksat class) in the argillic horizon.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Albaqualfs, p. 74",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAI": [
    {
      "content": "JAI. Other Aqualfs that have a glossic horizon.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossaqualfs, p. 79",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJ": [
    {
      "content": "JAJ. Other Aqualfs that have episaturation.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaqualfs, p. 77",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAK": [
    {
      "content": "JAK. Other Aqualfs.",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaqualfs, p. 75",
      "chapter": 5,
      "page": 73,
      "key": "Key to Great Groups",
      "taxa": "Aqualfs",
      "crit": "JAK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAHA": [
    {
      "content": "JAHA. Albaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAHB": [
    {
      "content": "JAHB. Other Albaqualfs that have both of the following:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Chroma of 3 or more in 40 percent or more of the matrix between the lower boundary of the A or Ap horizon and a depth of 75 cm from the mineral soil surface.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aeric Vertic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JAHC": [
    {
      "content": "JAHC. Other Albaqualfs that have both of the following:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Chromic Vertic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JAHD": [
    {
      "content": "JAHD. Other Albaqualfs that have one or both of the following:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAHE": [
    {
      "content": "JAHE. Other Albaqualfs that have both:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Chroma of 3 or more in 40 percent or more of the matrix between the lower boundary of the A or Ap horizon and a depth of 75 cm from the mineral soil surface; and",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udollic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAHF": [
    {
      "content": "JAHF. Other Albaqualfs that have chroma of 3 or more in 40 percent or more of the matrix between the lower boundary of the A or Ap horizon and a depth of 75 cm from the mineral soil surface.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAHG": [
    {
      "content": "JAHG. Other Albaqualfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JAHH": [
    {
      "content": "JAHH. Other Albaqualfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Albaqualfs",
      "chapter": 5,
      "page": 74,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAHI": [
    {
      "content": "JAHI. Other Albaqualfs that have an umbric epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for an umbric epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Albaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAHJ": [
    {
      "content": "JAHJ. Other Albaqualfs.",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Albaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Albaqualfs",
      "crit": "JAHJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAAA": [
    {
      "content": "JAAA. All Cryaqualfs (provisionally).",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Cryaqualfs",
      "crit": "JAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Cryaqualfs",
      "crit": "JAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JACA": [
    {
      "content": "JACA. All Duraqualfs (provisionally).",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Duraqualfs",
      "crit": "JACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duraqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Duraqualfs",
      "crit": "JACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAKA": [
    {
      "content": "JAKA. Endoaqualfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Endoaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JAKB": [
    {
      "content": "JAKB. Other Endoaqualfs that have both of the following:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Chromic Vertic Endoaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JAKC": [
    {
      "content": "JAKC. Other Endoaqualfs that have one or both of the following:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Endoaqualfs",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAKD": [
    {
      "content": "JAKD. Other Endoaqualfs that have both:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one or a combination of the following colors:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 75,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aeric Fragic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKD",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JAKE": [
    {
      "content": "JAKE. Other Endoaqualfs that have fragic soil properties:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAKF": [
    {
      "content": "JAKF. Other Endoaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm below the mineral soil surface.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAKG": [
    {
      "content": "JAKG. Other Endoaqualfs that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAKH": [
    {
      "content": "JAKH. Other Endoaqualfs that have both:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing; and",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one or a combination of the following colors:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Udollic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKH",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "JAKI": [
    {
      "content": "JAKI. Other Endoaqualfs that have both:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for an umbric epipedon, except for thickness, after mixing; and",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one or a combination of the following colors:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aeric Umbric Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKI",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "JAKJ": [
    {
      "content": "JAKJ. Other Endoaqualfs that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value of 3 or more (moist) and chroma of 3 or more; or",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKJ",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JAKK": [
    {
      "content": "JAKK. Other Endoaqualfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Endoaqualfs",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAKL": [
    {
      "content": "JAKL. Other Endoaqualfs that have an umbric epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for an umbric epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 76,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Endoaqualfs",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAKM": [
    {
      "content": "JAKM. Other Endoaqualfs.",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaqualfs",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Endoaqualfs",
      "crit": "JAKM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJA": [
    {
      "content": "JAJA. Epiaqualfs that have all of the following:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 11,
      "logic": "AND"
    },
    {
      "content": "3. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 12,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 13,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 14,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 15,
      "logic": "END"
    },
    {
      "content": "Aeric Chromic Vertic Epiaqualfs",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJA",
      "clause": 16,
      "logic": "LAST"
    }
  ],
  "JAJB": [
    {
      "content": "JAJB. Other Epiaqualfs that have both of the following:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aeric Vertic Epiaqualfs",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJB",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JAJC": [
    {
      "content": "JAJC. Other Epiaqualfs that have both of the following:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 77,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Chromic Vertic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JAJD": [
    {
      "content": "JAJD. Other Epiaqualfs that have one or both of the following:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAJE": [
    {
      "content": "JAJE. Other Epiaqualfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JAJF": [
    {
      "content": "JAJF. Other Epiaqualfs that have both:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aeric Fragic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJF",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JAJG": [
    {
      "content": "JAJG. Other Epiaqualfs that have fragic soil properties:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAJH": [
    {
      "content": "JAJH. Other Epiaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm below the mineral soil surface.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJI": [
    {
      "content": "JAJI. Other Epiaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Epiaqualfs",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJJ": [
    {
      "content": "JAJJ. Other Epiaqualfs that have both:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for an umbric epipedon, except for thickness, after mixing; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 78,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aeric Umbric Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJJ",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "JAJK": [
    {
      "content": "JAJK. Other Epiaqualfs that have both:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing; and",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Udollic Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJK",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "JAJL": [
    {
      "content": "JAJL. Other Epiaqualfs that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJL",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JAJM": [
    {
      "content": "JAJM. Other Epiaqualfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for a mollic epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJN": [
    {
      "content": "JAJN. Other Epiaqualfs that have an umbric epipedon, or the upper 18 cm of the mineral soil meets all of the requirements for an umbric epipedon, except for thickness, after mixing.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAJO": [
    {
      "content": "JAJO. Other Epiaqualfs.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Epiaqualfs",
      "crit": "JAJO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAEA": [
    {
      "content": "JAEA. Fragiaqualfs that have one or more layers, at least 25 cm thick (cumulative) within 100 cm of the mineral soil surface, that have 25 percent or more (by volume) recognizable bioturbation, such as filled animal burrows, wormholes, or casts.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Fragiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAEB": [
    {
      "content": "JAEB. Other Fragiaqualfs that have, between the A or Ap horizon and a fragipan, a horizon with 50 percent or more chroma of 3 or more if hue is 10YR or redder or of 4 or more if hue is 2.5Y or yellower.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Fragiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAEC": [
    {
      "content": "JAEC. Other Fragiaqualfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Fragiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAED": [
    {
      "content": "JAED. Other Fragiaqualfs that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Fragiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAEE": [
    {
      "content": "JAEE. Other Fragiaqualfs.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Fragiaqualfs",
      "crit": "JAEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAIA": [
    {
      "content": "JAIA. Glossaqualfs that have a histic epipedon.",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Glossaqualfs",
      "chapter": 5,
      "page": 79,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAIB": [
    {
      "content": "JAIB. Other Glossaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAIC": [
    {
      "content": "JAIC. Other Glossaqualfs that have both:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one or a combination of the following colors:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aeric Fragic Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIC",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JAID": [
    {
      "content": "JAID. Other Glossaqualfs that have fragic soil properties:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAID",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAID",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAID",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAID",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JAIE": [
    {
      "content": "JAIE. Other Glossaqualfs that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JAIF": [
    {
      "content": "JAIF. Other Glossaqualfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets the requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAIG": [
    {
      "content": "JAIG. Other Glossaqualfs.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Glossaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Glossaqualfs",
      "crit": "JAIG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAFA": [
    {
      "content": "JAFA. Kandiaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm below the mineral soil surface.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAFB": [
    {
      "content": "JAFB. Other Kandiaqualfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Kandiaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAFC": [
    {
      "content": "JAFC. Other Kandiaqualfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiaqualfs",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAFD": [
    {
      "content": "JAFD. Other Kandiaqualfs that have both:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 80,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aeric Umbric Kandiaqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFD",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "JAFE": [
    {
      "content": "JAFE. Other Kandiaqualfs that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, in 50 percent or more of the matrix, one or a combination of the following colors:",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder; and",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, chroma of 2 or more (both moist and dry) on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less (both moist and dry) in ped interiors; or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more (both moist and dry); or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 10YR or yellower and either:",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value of 3 or more (moist) and chroma of 3 or more (moist and dry); or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 2 or more (both moist and dry) and no redox concentrations.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Kandiaqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JAFF": [
    {
      "content": "JAFF. Other Kandiaqualfs that have an umbric epipedon, or the upper 18 cm of the mineral soil meets the color requirements for an umbric epipedon after mixing.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Kandiaqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAFG": [
    {
      "content": "JAFG. Other Kandiaqualfs.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiaqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Kandiaqualfs",
      "crit": "JAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JADA": [
    {
      "content": "JADA. Natraqualfs that have one or both of the following:",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JADB": [
    {
      "content": "JADB. Other Natraqualfs that have one or more layers, at least 25 cm thick (cumulative) within 100 cm of the mineral soil surface, that have 25 percent or more (by volume) recognizable bioturbation, such as filled animal burrows, wormholes, or casts.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JADC": [
    {
      "content": "JADC. Other Natraqualfs that have both:",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glossic horizon or interfingering of albic materials into the natric horizon; and",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An exchangeable sodium percentage of less than 15 and less magnesium plus sodium than calcium plus extractable acidity either throughout the upper 15 cm of the natric horizon or in all horizons within 40 cm of the mineral soil surface, whichever is deeper.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Albic Glossic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JADD": [
    {
      "content": "JADD. Other Natraqualfs that have an exchangeable sodium percentage of less than 15 and less magnesium plus sodium than calcium plus extractable acidity either throughout the upper 15 cm of the natric horizon or in all horizons within 40 cm of the mineral soil surface, whichever is deeper.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Albic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JADE": [
    {
      "content": "JADE. Other Natraqualfs that have a glossic horizon or interfingering of albic materials into the natric horizon.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JADF": [
    {
      "content": "JADF. Other Natraqualfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets the color requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JADG": [
    {
      "content": "JADG. Other Natraqualfs.",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natraqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Natraqualfs",
      "crit": "JADG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JABA": [
    {
      "content": "JABA. All Plinthaqualfs (provisionally).",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Plinthaqualfs",
      "crit": "JABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthaqualfs",
      "chapter": 5,
      "page": 81,
      "key": "Key to Subgroups",
      "taxa": "Plinthaqualfs",
      "crit": "JABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JAGA": [
    {
      "content": "JAGA. Vermaqualfs that have an exchangeable sodium percentage of 7 or more (or a sodium adsorption ratio of 6 or more) either or both:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Vermaqualfs",
      "crit": "JAGA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout the upper 15 cm of the argillic horizon; and/or 2. Throughout all horizons within 40 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Vermaqualfs",
      "crit": "JAGA",
      "clause": 2,
      "logic": "END"
    },
    {
      "content": "Natric Vermaqualfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Vermaqualfs",
      "crit": "JAGA",
      "clause": 3,
      "logic": "LAST"
    }
  ],
  "JAGB": [
    {
      "content": "JAGB. Other Vermaqualfs.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Vermaqualfs",
      "crit": "JAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vermaqualfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Vermaqualfs",
      "crit": "JAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBA": [
    {
      "content": "JBA. Cryalfs that have all of the following:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic, kandic, or natric horizon that has its upper boundary 60 cm or more below both:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. The mineral soil surface; and",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. The lower boundary of any surface mantle containing 30 percent or more vitric volcanic ash, cinders, or other vitric pyroclastic materials; and",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A texture class finer than loamy fine sand in one or more horizons above the argillic, kandic, or natric horizon; and",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. Either a glossic horizon or interfingering of albic materials into the argillic, kandic, or natric horizon.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Palecryalfs, p. 85",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBA",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "JBB": [
    {
      "content": "JBB. Other Cryalfs that have a glossic horizon.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossocryalfs, p. 82",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBC": [
    {
      "content": "JBC. Other Cryalfs.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryalfs, p. 83",
      "chapter": 5,
      "page": 82,
      "key": "Key to Great Groups",
      "taxa": "Cryalfs",
      "crit": "JBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBA": [
    {
      "content": "JBBA. Glossocryalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBB": [
    {
      "content": "JBBB. Other Glossocryalfs that have one or both of the following:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBBC": [
    {
      "content": "JBBC. Other Glossocryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBD": [
    {
      "content": "JBBD. Other Glossocryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JBBE": [
    {
      "content": "JBBE. Other Glossocryalfs that have, in one or more subhorizons within the upper 25 cm of the argillic, kandic, or natric horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBF": [
    {
      "content": "JBBF. Other Glossocryalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Glossocryalfs",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBBG": [
    {
      "content": "JBBG. Other Glossocryalfs that have fragic soil properties:",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 82,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBBH": [
    {
      "content": "JBBH. Other Glossocryalfs that have all of the following:",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A base saturation (by NH4 OAc) of 50 percent or more in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBH",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Xerollic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBH",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JBBI": [
    {
      "content": "JBBI. Other Glossocryalfs that have both:",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Umbric Xeric Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBBJ": [
    {
      "content": "JBBJ. Other Glossocryalfs that meet all of the following:",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have a base saturation (by NH4 OAc) of 50 percent or more in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBJ",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Ustollic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBJ",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JBBK": [
    {
      "content": "JBBK. Other Glossocryalfs that have a xeric soil moisture regime.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBL": [
    {
      "content": "JBBL. Other Glossocryalfs that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBM": [
    {
      "content": "JBBM. Other Glossocryalfs that have both:",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A base saturation (by NH4 OAc) of 50 percent or more in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Mollic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBBN": [
    {
      "content": "JBBN. Other Glossocryalfs that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBO": [
    {
      "content": "JBBO. Other Glossocryalfs that have a base saturation (by NH4 OAc) of 50 percent or more in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBBP": [
    {
      "content": "JBBP. Other Glossocryalfs.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Glossocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Glossocryalfs",
      "crit": "JBBP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCA": [
    {
      "content": "JBCA. Haplocryalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCB": [
    {
      "content": "JBCB. Other Haplocryalfs that have one or both of the following:",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBCC": [
    {
      "content": "JBCC. Other Haplocryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplocryalfs",
      "chapter": 5,
      "page": 83,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCD": [
    {
      "content": "JBCD. Other Haplocryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JBCE": [
    {
      "content": "JBCE. Other Haplocryalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCF": [
    {
      "content": "JBCF. Other Haplocryalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBCG": [
    {
      "content": "JBCG. Other Haplocryalfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JBCH": [
    {
      "content": "JBCH. Other Haplocryalfs that have a sandy or sandy-skeletal particle-size class throughout the upper 75 cm of the argillic, kandic, or natric horizon or throughout the entire argillic, kandic, or natric horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCI": [
    {
      "content": "JBCI. Other Haplocryalfs that:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an argillic, kandic, or natric horizon that is 35 cm or less thick; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Inceptic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBCJ": [
    {
      "content": "JBCJ. Other Haplocryalfs that have all of the following:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A base saturation (by NH4 OAc) of 50 percent ormore in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCJ",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Xerollic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCJ",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JBCK": [
    {
      "content": "JBCK. Other Haplocryalfs that have both:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Umbric Xeric Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBCL": [
    {
      "content": "JBCL. Other Haplocryalfs that meet all of the following:",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have a base saturation (by NH4 OAc) of 50 percent or more in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCL",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Ustollic Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCL",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JBCM": [
    {
      "content": "JBCM. Other Haplocryalfs that have a xeric soil moisture regime.",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocryalfs",
      "chapter": 5,
      "page": 84,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCN": [
    {
      "content": "JBCN. Other Haplocryalfs that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCO": [
    {
      "content": "JBCO. Other Haplocryalfs that have both:",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of 50 percent ormore in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Mollic Haplocryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBCP": [
    {
      "content": "JBCP. Other Haplocryalfs that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Haplocryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCQ": [
    {
      "content": "JBCQ. Other Haplocryalfs that have a base saturation (by NH4 OAc) of 50 percent ormore in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Haplocryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBCR": [
    {
      "content": "JBCR. Other Haplocryalfs.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Haplocryalfs",
      "crit": "JBCR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAA": [
    {
      "content": "JBAA. Palecryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAB": [
    {
      "content": "JBAB. Other Palecryalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JBAC": [
    {
      "content": "JBAC. Other Palecryalfs that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAD": [
    {
      "content": "JBAD. Other Palecryalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBAE": [
    {
      "content": "JBAE. Other Palecryalfs that have a xeric soil moisture regime.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAF": [
    {
      "content": "JBAF. Other Palecryalfs that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAG": [
    {
      "content": "JBAG. Other Palecryalfs that have both:",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of 50 percent ormore in all parts from the mineral soil surface to a depth of 180 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Mollic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JBAH": [
    {
      "content": "JBAH. Other Palecryalfs that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JBAI": [
    {
      "content": "JBAI. Other Palecryalfs.",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palecryalfs",
      "chapter": 5,
      "page": 85,
      "key": "Key to Subgroups",
      "taxa": "Palecryalfs",
      "crit": "JBAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEA": [
    {
      "content": "JEA. Udalfs that have a natric horizon.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrudalfs, p. 95",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEB": [
    {
      "content": "JEB. Other Udalfs that have both:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glossic horizon; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In the argillic or kandic horizon, discrete nodules, 2.5 to 30 cm in diameter, that:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Are enriched with iron and extremely weakly coherent to indurated; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. Have exteriors with either a redder hue or a higher chroma than the interiors.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ferrudalfs, p. 87",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEB",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "JEC": [
    {
      "content": "JEC. Other Udalfs that have both:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glossic horizon; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A fragipan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fraglossudalfs, p. 87",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEC",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "JED": [
    {
      "content": "JED. Other Udalfs that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiudalfs, p. 87",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEE": [
    {
      "content": "JEE. Other Udalfs that meet all of the following:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a kandic horizon; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a clay decrease with increasing depth of 20 percent or more (relative) from the maximum clay content [Clay is measured as noncarbonate clay or is based on the following formula: Clay % = 2.5(% water retained at 1500 kPa tension - % organic carbon), whichever value is greater, but no more than 100]; or",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandiudalfs, p. 93",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEE",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "JEF": [
    {
      "content": "JEF. Other Udalfs that have a kandic horizon.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhapludalfs, p. 94",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEG": [
    {
      "content": "JEG. Other Udalfs that:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, or paralithic contact within 150 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a clay decrease with increasing depth of 20 percent or more (relative) from the maximum clay content [Clay is measured as noncarbonate clay or is based on the following formula: Clay % = 2.5(% water retained at 1500 kPa tension - % organic carbon), whichever value is greater, but no more than 100]; or",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. Have an argillic horizon with one or more of the following:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "a. In 50 percent or more of the matrix of one or more subhorizons in its lower one-half, hue of 7.5YR or redder and chroma of 5 or more; or",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix of horizons that total more than one-half the total thickness, hue of 2.5YR or redder, value, moist, of 3 or less, and value, dry, of 4 or less; or",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "c. Many coarse redox concentrations with hue of 5YR or redder or chroma of 6 or more, or both, in one or more subhorizons; or",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "4. Have a frigid soil temperature regime and all of the following:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. An argillic horizon that has its upper boundary 60 cm or more below both:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 11,
      "logic": "AND"
    },
    {
      "content": "(1) The mineral soil surface; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 12,
      "logic": "AND"
    },
    {
      "content": "(2) The lower boundary of any surface mantle containing 30 percent or more vitric volcanic ash, cinders, or other vitric pyroclastic materials; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 13,
      "logic": "AND"
    },
    {
      "content": "b. A texture class finer than loamy fine sand in one or more horizons above the argillic horizon; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 14,
      "logic": "AND"
    },
    {
      "content": "c. Either a glossic horizon or interfingering of albic materials into the argillic horizon.",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 15,
      "logic": "END"
    },
    {
      "content": "Paleudalfs, p. 95",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEG",
      "clause": 16,
      "logic": "NEW"
    }
  ],
  "JEH": [
    {
      "content": "JEH. Other Udalfs that have, in all subhorizons in the upper 100 cm of the argillic horizon or throughout the entire argillic horizon if less than 100 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 86,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEH",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodudalfs, p. 97",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEH",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "JEI": [
    {
      "content": "JEI. Other Udalfs that have a glossic horizon.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossudalfs, p. 88",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJ": [
    {
      "content": "JEJ. Other Udalfs.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapludalfs, p. 90",
      "chapter": 5,
      "page": 87,
      "key": "Key to Great Groups",
      "taxa": "Udalfs",
      "crit": "JEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEBA": [
    {
      "content": "JEBA. Ferrudalfs that have, in one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Ferrudalfs",
      "crit": "JEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Ferrudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Ferrudalfs",
      "crit": "JEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEBB": [
    {
      "content": "JEBB. Other Ferrudalfs.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Ferrudalfs",
      "crit": "JEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ferrudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Ferrudalfs",
      "crit": "JEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEDA": [
    {
      "content": "JEDA. Fragiudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Fragiudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEDB": [
    {
      "content": "JEDB. Other Fragiudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Fragiudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEDC": [
    {
      "content": "JEDC. Other Fragiudalfs that have, in one or more horizons within 40 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragiudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEDD": [
    {
      "content": "JEDD. Other Fragiudalfs that are saturated with water in one or more layers above the fragipan in normal years for either or both:",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Fragiudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEDE": [
    {
      "content": "JEDE. Other Fragiudalfs.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fragiudalfs",
      "crit": "JEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JECA": [
    {
      "content": "JECA. Fraglossudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Fraglossudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JECB": [
    {
      "content": "JECB. Other Fraglossudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Fraglossudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JECC": [
    {
      "content": "JECC. Other Fraglossudalfs that have, in one or more subhorizons within the upper 25 cm of the argillic or kandic horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fraglossudalfs",
      "chapter": 5,
      "page": 87,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JECD": [
    {
      "content": "JECD. Other Fraglossudalfs that are saturated with water in one or more layers above the fragipan in normal years for either or both:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Fraglossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JECE": [
    {
      "content": "JECE. Other Fraglossudalfs.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fraglossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Fraglossudalfs",
      "crit": "JECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEIA": [
    {
      "content": "JEIA. Glossudalfs that have both:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aquertic Glossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIA",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEIB": [
    {
      "content": "JEIB. Other Glossudalfs that have both:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vertic Glossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIB",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEIC": [
    {
      "content": "JEIC. Other Glossudalfs that have one or both of the following:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Glossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEID": [
    {
      "content": "JEID. Other Glossudalfs that have both:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Glossudalfs",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEID",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JEIE": [
    {
      "content": "JEIE. Other Glossudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 88,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEIF": [
    {
      "content": "JEIF. Other Glossudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEIG": [
    {
      "content": "JEIG. Other Glossudalfs that have both:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIG",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEIH": [
    {
      "content": "JEIH. Other Glossudalfs that:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In one or more subhorizons within 75 cm of the mineral soil surface, have redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of the argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEII": [
    {
      "content": "JEII. Other Glossudalfs that have, in one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEII",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEII",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEIJ": [
    {
      "content": "JEIJ. Other Glossudalfs that:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of the argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Arenic Oxyaquic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEIK": [
    {
      "content": "JEIK. Other Glossudalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEIL": [
    {
      "content": "JEIL. Other Glossudalfs that have fragic soil properties:",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEIM": [
    {
      "content": "JEIM. Other Glossudalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEIN": [
    {
      "content": "JEIN. Other Glossudalfs that have a glossic horizon less than 50 cm in total thickness.",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Glossudalfs",
      "chapter": 5,
      "page": 89,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEIO": [
    {
      "content": "JEIO. Other Glossudalfs.",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Glossudalfs",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Glossudalfs",
      "crit": "JEIO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJA": [
    {
      "content": "JEJA. Hapludalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapludalfs",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJB": [
    {
      "content": "JEJB. Other Hapludalfs that have all of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface; and",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "3. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aquertic Chromic Hapludalfs",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJB",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JEJC": [
    {
      "content": "JEJC. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aquertic Hapludalfs",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJC",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEJD": [
    {
      "content": "JEJD. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vertic Hapludalfs",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEJE": [
    {
      "content": "JEJE. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 90,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. An Ap horizon or materials between the mineral soil surface and a depth of 18 cm that, after mixing, have one or more of the following:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 4 or more.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Chromic Vertic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJE",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JEJF": [
    {
      "content": "JEJF. Other Hapludalfs that have one or both of the following:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJG": [
    {
      "content": "JEJG. Other Hapludalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJH": [
    {
      "content": "JEJH. Other Hapludalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJI": [
    {
      "content": "JEJI. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJI",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEJJ": [
    {
      "content": "JEJJ. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragic Oxyaquic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJJ",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEJK": [
    {
      "content": "JEJK. Other Hapludalfs that:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, have redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Hapludalfs",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJL": [
    {
      "content": "JEJL. Other Hapludalfs that:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of the argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 91,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Arenic Oxyaquic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJL",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJM": [
    {
      "content": "JEJM. Other Hapludalfs that have anthraquic conditions.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJN": [
    {
      "content": "JEJN. Other Hapludalfs that have all of the following:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An abrupt textural change; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A base saturation (by sum of cations) of less than 60 percent at a depth of 125 cm from the top of the argillic horizon, at a depth of 180 cm from the mineral soil surface, or directly above a densic, lithic, or paralithic contact, whichever is shallowest.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Albaquultic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JEJO": [
    {
      "content": "JEJO. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An abrupt textural change; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Albaquic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJP": [
    {
      "content": "JEJP. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Interfingering of albic materials in the upper part of the argillic horizon; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Glossaquic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJP",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJQ": [
    {
      "content": "JEJQ. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 60 percent at a depth of 125 cm from the top of the argillic horizon, at a depth of 180 cm from the mineral soil surface, or directly above a densic, lithic, or paralithic contact, whichever is shallowest.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquultic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJQ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJR": [
    {
      "content": "JEJR. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquollic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJR",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJS": [
    {
      "content": "JEJS. Other Hapludalfs that have redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJS",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJS",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Hapludalfs",
      "chapter": 5,
      "page": 92,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJT": [
    {
      "content": "JEJT. Other Hapludalfs that have both:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon, or the upper 18 cm of the mineral soil meets the color requirements for a mollic epipedon after mixing; and",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Mollic Oxyaquic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJT",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEJU": [
    {
      "content": "JEJU. Other Hapludalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJU",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJU",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJU",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJU",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJV": [
    {
      "content": "JEJV. Other Hapludalfs that have fragic soil properties:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJV",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJV",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJV",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJW": [
    {
      "content": "JEJW. Other Hapludalfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJW",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JEJX": [
    {
      "content": "JEJX. Other Hapludalfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJX",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJX",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJY": [
    {
      "content": "JEJY. Other Hapludalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJY",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJY",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJZ": [
    {
      "content": "JEJZ. Other Hapludalfs that have interfingering of albic materials in one or more subhorizons of the argillic horizon.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJZa": [
    {
      "content": "JEJZa. Other Hapludalfs that:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZa",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an argillic horizon that is 35 cm or less thick; and",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZa",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZa",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Inceptic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZa",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEJZb": [
    {
      "content": "JEJZb. Other Hapludalfs that have a base saturation (by sum of cations) of less than 60 percent at a depth of 125 cm below the top of the argillic horizon, at a depth of 180 cm below the mineral soil surface, or directly above a densic, lithic, or paralithic contact, whichever is shallowest.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZb",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZb",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJZc": [
    {
      "content": "JEJZc. Other Hapludalfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets all the color requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZc",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZc",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEJZd": [
    {
      "content": "JEJZd. Other Hapludalfs.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZd",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapludalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Hapludalfs",
      "crit": "JEJZd",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEA": [
    {
      "content": "JEEA. Kandiudalfs that have both:",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kandiudalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEEB": [
    {
      "content": "JEEB. Other Kandiudalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiudalfs",
      "chapter": 5,
      "page": 93,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEC": [
    {
      "content": "JEEC. Other Kandiudalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEED": [
    {
      "content": "JEED. Other Kandiudalfs that:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEEE": [
    {
      "content": "JEEE. Other Kandiudalfs that:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Grossarenic Plinthic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEEF": [
    {
      "content": "JEEF. Other Kandiudalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEG": [
    {
      "content": "JEEG. Other Kandiudalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEH": [
    {
      "content": "JEEH. Other Kandiudalfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEI": [
    {
      "content": "JEEI. Other Kandiudalfs that have, in all subhorizons in the upper 75 cm of the kandic horizon or throughout the entire kandic horizon if less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEI",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEI",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JEEJ": [
    {
      "content": "JEEJ. Other Kandiudalfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets the color requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEEK": [
    {
      "content": "JEEK. Other Kandiudalfs.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiudalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kandiudalfs",
      "crit": "JEEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEFA": [
    {
      "content": "JEFA. Kanhapludalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kanhapludalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEFB": [
    {
      "content": "JEFB. Other Kanhapludalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kanhapludalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEFC": [
    {
      "content": "JEFC. Other Kanhapludalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Kanhapludalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEFD": [
    {
      "content": "JEFD. Other Kanhapludalfs that have, in all subhorizons in the upper 50 cm of the kandic horizon or throughout the entire kandic horizon if less than 50 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kanhapludalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JEFE": [
    {
      "content": "JEFE. Other Kanhapludalfs.",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhapludalfs",
      "chapter": 5,
      "page": 94,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludalfs",
      "crit": "JEFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEAA": [
    {
      "content": "JEAA. Natrudalfs that have one or both of the following:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEAB": [
    {
      "content": "JEAB. Other Natrudalfs that have both:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Either a glossic horizon or interfingering of albic materials into the natric horizon; and",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the natric horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the natric horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Glossaquic Natrudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEAC": [
    {
      "content": "JEAC. Other Natrudalfs that have redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within the upper 25 cm of the natric horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Within 75 cm of the mineral soil surface if the upper boundary of the natric horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Natrudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEAD": [
    {
      "content": "JEAD. Other Natrudalfs.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Natrudalfs",
      "crit": "JEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGA": [
    {
      "content": "JEGA. Paleudalfs that have one or both of the following:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGB": [
    {
      "content": "JEGB. Other Paleudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Paleudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGC": [
    {
      "content": "JEGC. Other Paleudalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Paleudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JEGD": [
    {
      "content": "JEGD. Other Paleudalfs that have anthraquic conditions.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Paleudalfs",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGE": [
    {
      "content": "JEGE. Other Paleudalfs that have both:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 95,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JEGF": [
    {
      "content": "JEGF. Other Paleudalfs that have both:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGG": [
    {
      "content": "JEGG. Other Paleudalfs that have both:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A glossic horizon or, in the upper part of the argillic horizon, one or more subhorizons that have 5 percent or more (by volume) clay depletions with chroma of 2 or less.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Glossaquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGH": [
    {
      "content": "JEGH. Other Paleudalfs that have both:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A clay increase of 15 percent or more (absolute) in the fine-earth fraction within a vertical distance of 2.5 cm at the upper boundary of the argillic horizon.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Albaquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGI": [
    {
      "content": "JEGI. Other Paleudalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGJ": [
    {
      "content": "JEGJ. Other Paleudalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGK": [
    {
      "content": "JEGK. Other Paleudalfs that have fragic soil properties:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGL": [
    {
      "content": "JEGL. Other Paleudalfs that:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGM": [
    {
      "content": "JEGM. Other Paleudalfs that:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more; and",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Grossarenic Plinthic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JEGN": [
    {
      "content": "JEGN. Other Paleudalfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JEGO": [
    {
      "content": "JEGO. Other Paleudalfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Paleudalfs",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGP": [
    {
      "content": "JEGP. Other Paleudalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 96,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGQ": [
    {
      "content": "JEGQ. Other Paleudalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGR": [
    {
      "content": "JEGR. Other Paleudalfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGS": [
    {
      "content": "JEGS. Other Paleudalfs that have either:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGS",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A glossic horizon; or",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGS",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In the upper part of the argillic horizon, one or more subhorizons that have 5 percent or more (by volume) skeletans with chroma of 2 or less; or",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGS",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. 5 percent or more (by volume) albic materials in some subhorizon of the argillic horizon.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGS",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Glossic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGS",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JEGT": [
    {
      "content": "JEGT. Other Paleudalfs that have, in all subhorizons in the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGT",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGT",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGT",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JEGU": [
    {
      "content": "JEGU. Other Paleudalfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets the color requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEGV": [
    {
      "content": "JEGV. Other Paleudalfs.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Paleudalfs",
      "crit": "JEGV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JEHA": [
    {
      "content": "JEHA. All Rhodudalfs (provisionally).",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Rhodudalfs",
      "crit": "JEHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Rhodudalfs",
      "chapter": 5,
      "page": 97,
      "key": "Key to Subgroups",
      "taxa": "Rhodudalfs",
      "crit": "JEHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCA": [
    {
      "content": "JCA. Ustalfs that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durustalfs, p. 98",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCB": [
    {
      "content": "JCB. Other Ustalfs that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase or constitutes one-half or more of the volume.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthustalfs, p. 109",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCC": [
    {
      "content": "JCC. Other Ustalfs that have a natric horizon.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrustalfs, p. 103",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCD": [
    {
      "content": "JCD. Other Ustalfs that meet all of the following:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a kandic horizon; and",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a clay decrease with increasing depth of 20 percent or more (relative) from the maximum clay content [Clay is measured as noncarbonate clay or is based on the following formula: Clay % = 2.5(% water retained at 1500 kPa tension - % organic carbon), whichever value is greater, but no more than 100]; or",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandiustalfs, p. 102",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCD",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "JCE": [
    {
      "content": "JCE. Other Ustalfs that have a kandic horizon.",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplustalfs, p. 103",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCF": [
    {
      "content": "JCF. Other Ustalfs that have one or more of the following:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A petrocalcic horizon within 150 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. No densic, lithic, or paralithic contact within 150 cm of the mineral soil surface and an argillic horizon that has both:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Within 150 cm of the mineral soil surface, either:",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) With increasing depth, no clay decrease of 20 percent or more (relative) from the maximum clay content [Clay is measured as noncarbonate clay or is based on the following formula: Clay % = 2.5(% water retained at 1500 kPa tension - % organic carbon), whichever value is greater, but no more than 100]; or",
      "chapter": 5,
      "page": 97,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction; and",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "and b. In the lower one-half of the argillic horizon, one or more subhorizons with either or both:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(1) Hue of 7.5YR or redder and chroma of 5 or more in 50 percent or more of the matrix; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Common or many coarse redox concentrations with hue of 7.5YR or redder or chroma of 6 or more, or both; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "3. No densic, lithic, or paralithic contact within 50 cm of the mineral soil surface and an argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons in its upper part, and one or both of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. At its upper boundary, a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Paleustalfs, p. 106",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCF",
      "clause": 13,
      "logic": "NEW"
    }
  ],
  "JCG": [
    {
      "content": "JCG. Other Ustalfs that have, in all subhorizons in the upper 100 cm of the argillic horizon or throughout the entire argillic horizon if less than 100 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodustalfs, p. 109",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCG",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "JCH": [
    {
      "content": "JCH. Other Ustalfs.",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustalfs, p. 98",
      "chapter": 5,
      "page": 98,
      "key": "Key to Great Groups",
      "taxa": "Ustalfs",
      "crit": "JCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCAA": [
    {
      "content": "JCAA. All Durustalfs (provisionally).",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Durustalfs",
      "crit": "JCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durustalfs",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Durustalfs",
      "crit": "JCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHA": [
    {
      "content": "JCHA. Haplustalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustalfs",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHB": [
    {
      "content": "JCHB. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Haplustalfs",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCHC": [
    {
      "content": "JCHC. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vertic Haplustalfs",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHC",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JCHD": [
    {
      "content": "JCHD. Other Haplustalfs that have both of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 98,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "or b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHD",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "JCHE": [
    {
      "content": "JCHE. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JCHF": [
    {
      "content": "JCHF. Other Haplustalfs that have one or both of the following:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCHG": [
    {
      "content": "JCHG. Other Haplustalfs that:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCHH": [
    {
      "content": "JCHH. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic horizon that has a base saturation (by sum of cations) of less than 75 percent throughout.",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquultic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCHI": [
    {
      "content": "JCHI. Other Haplustalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplustalfs",
      "chapter": 5,
      "page": 99,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHJ": [
    {
      "content": "JCHJ. Other Haplustalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCHK": [
    {
      "content": "JCHK. Other Haplustalfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCHL": [
    {
      "content": "JCHL. Other Haplustalfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHL",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCHM": [
    {
      "content": "JCHM. Other Haplustalfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHN": [
    {
      "content": "JCHN. Other Haplustalfs that:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Arenic Aridic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHN",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCHO": [
    {
      "content": "JCHO. Other Haplustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Haplustalfs",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHP": [
    {
      "content": "JCHP. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 100,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Calcidic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHP",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCHQ": [
    {
      "content": "JCHQ. Other Haplustalfs that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHQ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCHR": [
    {
      "content": "JCHR. Other Haplustalfs that have a CEC of less than 24 cmol(+)/kg clay (by 1N NH4 OAc pH 7) in 50 percent or more either of the argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHS": [
    {
      "content": "JCHS. Other Haplustalfs that:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an argillic horizon that is 35 cm or less thick; and",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHS",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Inceptic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCHT": [
    {
      "content": "JCHT. Other Haplustalfs that have both:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calcic Udic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHT",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCHU": [
    {
      "content": "JCHU. Other Haplustalfs that have an argillic horizon with a base saturation (by sum of cations) of less than 75 percent throughout.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHV": [
    {
      "content": "JCHV. Other Haplustalfs that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCHW": [
    {
      "content": "JCHW. Other Haplustalfs that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHW",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHW",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHW",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHW",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Udic Haplustalfs",
      "chapter": 5,
      "page": 101,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHW",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JCHX": [
    {
      "content": "JCHX. Other Haplustalfs.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHX",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Haplustalfs",
      "crit": "JCHX",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCDA": [
    {
      "content": "JCDA. Kandiustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCDB": [
    {
      "content": "JCDB. Other Kandiustalfs that:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, have redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCDC": [
    {
      "content": "JCDC. Other Kandiustalfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCDD": [
    {
      "content": "JCDD. Other Kandiustalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCDE": [
    {
      "content": "JCDE. Other Kandiustalfs that:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Arenic Aridic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JCDF": [
    {
      "content": "JCDF. Other Kandiustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCDG": [
    {
      "content": "JCDG. Other Kandiustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aridic Kandiustalfs",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCDH": [
    {
      "content": "JCDH. Other Kandiustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for 135 cumulative days or less per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 102,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Kandiustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCDI": [
    {
      "content": "JCDI. Other Kandiustalfs that have, in all subhorizons in the upper 75 cm of the kandic horizon or throughout the entire kandic horizon if less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDI",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDI",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JCDJ": [
    {
      "content": "JCDJ. Other Kandiustalfs.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kandiustalfs",
      "crit": "JCDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCEA": [
    {
      "content": "JCEA. Kanhaplustalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCEB": [
    {
      "content": "JCEB. Other Kanhaplustalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCEC": [
    {
      "content": "JCEC. Other Kanhaplustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aridic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCED": [
    {
      "content": "JCED. Other Kanhaplustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCED",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for 135 cumulative days or less per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCEE": [
    {
      "content": "JCEE. Other Kanhaplustalfs that have, in all subhorizons in the upper 50 cm of the kandic horizon or throughout the entire kandic horizon if less than 50 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JCEF": [
    {
      "content": "JCEF. Other Kanhaplustalfs.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhaplustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustalfs",
      "crit": "JCEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCA": [
    {
      "content": "JCCA. Natrustalfs that have a salic horizon within 75 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salidic Natrustalfs",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCB": [
    {
      "content": "JCCB. Other Natrustalfs that have all of the following:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Visible crystals of gypsum or salts more soluble than gypsum, or both, within 40 cm of the soil surface; and",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 103,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Leptic Torrertic Natrustalfs",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCB",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "JCCC": [
    {
      "content": "JCCC. Other Natrustalfs that have both of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Natrustalfs",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCC",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "JCCD": [
    {
      "content": "JCCD. Other Natrustalfs that have both:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Natrustalfs",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCCE": [
    {
      "content": "JCCE. Other Natrustalfs that have both of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Visible crystals of gypsum or salts more soluble than gypsum, or both, within 40 cm of the soil surface; and",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 104,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aridic Leptic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCE",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCCF": [
    {
      "content": "JCCF. Other Natrustalfs that have one or both of the following:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCCG": [
    {
      "content": "JCCG. Other Natrustalfs that:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCCH": [
    {
      "content": "JCCH. Other Natrustalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCI": [
    {
      "content": "JCCI. Other Natrustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCJ": [
    {
      "content": "JCCJ. Other Natrustalfs that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCK": [
    {
      "content": "JCCK. Other Natrustalfs that have visible crystals of gypsum or salts more soluble than gypsum, or both, within 40 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCL": [
    {
      "content": "JCCL. Other Natrustalfs that have both of the following:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An exchangeable sodium percentage of less than 15 (or a sodium adsorption ratio of less than 13) in 50 percent or more of the natric horizon; and",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Haplargidic Natrustalfs",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCL",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCCM": [
    {
      "content": "JCCM. Other Natrustalfs that have both:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 105,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. A glossic horizon or interfingering of albic materials into the natric horizon.",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aridic Glossic Natrustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCM",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCCN": [
    {
      "content": "JCCN. Other Natrustalfs that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Natrustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCCO": [
    {
      "content": "JCCO. Other Natrustalfs that have a mollic epipedon, or the upper 18 cm of the mineral soil meets the color requirements for a mollic epipedon after mixing.",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Natrustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCCP": [
    {
      "content": "JCCP. Other Natrustalfs.",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Natrustalfs",
      "crit": "JCCP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFA": [
    {
      "content": "JCFA. Paleustalfs that have both:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Paleustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JCFB": [
    {
      "content": "JCFB. Other Paleustalfs that have both:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vertic Paleustalfs",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFB",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JCFC": [
    {
      "content": "JCFC. Other Paleustalfs that have both:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 106,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFC",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JCFD": [
    {
      "content": "JCFD. Other Paleustalfs that have one or both of the following:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCFE": [
    {
      "content": "JCFE. Other Paleustalfs that:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCFF": [
    {
      "content": "JCFF. Other Paleustalfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFG": [
    {
      "content": "JCFG. Other Paleustalfs that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCFH": [
    {
      "content": "JCFH. Other Paleustalfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFH",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCFI": [
    {
      "content": "JCFI. Other Paleustalfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Paleustalfs",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFJ": [
    {
      "content": "JCFJ. Other Paleustalfs that:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 107,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Arenic Aridic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFJ",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCFK": [
    {
      "content": "JCFK. Other Paleustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFL": [
    {
      "content": "JCFL. Other Paleustalfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFM": [
    {
      "content": "JCFM. Other Paleustalfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFN": [
    {
      "content": "JCFN. Other Paleustalfs that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFO": [
    {
      "content": "JCFO. Other Paleustalfs that have both:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. A calcic horizon either within 100 cm of the mineral soil surface if the weighted average particle-size class of the upper 50 cm of the argillic horizon is sandy, or within 60 cm if it is loamy, or within 50 cm if it is clayey, and free carbonates in all horizons above the calcic horizon.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Calcidic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFO",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JCFP": [
    {
      "content": "JCFP. Other Paleustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFP",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JCFQ": [
    {
      "content": "JCFQ. Other Paleustalfs that have a CEC of less than 24 cmol(+)/kg clay (by 1N NH4 OAc pH 7) in 50 percent or more either of the argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandic Paleustalfs",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFR": [
    {
      "content": "JCFR. Other Paleustalfs that have, in all subhorizons in the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 108,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFR",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFR",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFR",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Paleustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFR",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "JCFS": [
    {
      "content": "JCFS. Other Paleustalfs that have an argillic horizon with a base saturation (by sum of cations) of less than 75 percent throughout.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Paleustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCFT": [
    {
      "content": "JCFT. Other Paleustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFT",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFT",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFT",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Paleustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFT",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCFU": [
    {
      "content": "JCFU. Other Paleustalfs.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Paleustalfs",
      "crit": "JCFU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCBA": [
    {
      "content": "JCBA. All Plinthustalfs (provisionally).",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Plinthustalfs",
      "crit": "JCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Plinthustalfs",
      "crit": "JCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCGA": [
    {
      "content": "JCGA. Rhodustalfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Rhodustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCGB": [
    {
      "content": "JCGB. Other Rhodustalfs that have a CEC of less than 24 cmol(+)/kg clay (by 1N NH4 OAc pH 7) in 50 percent or more either of the argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplic Rhodustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JCGC": [
    {
      "content": "JCGC. Other Rhodustalfs that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the time (cumulative) per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Rhodustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JCGD": [
    {
      "content": "JCGD. Other Rhodustalfs.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Rhodustalfs",
      "chapter": 5,
      "page": 109,
      "key": "Key to Subgroups",
      "taxa": "Rhodustalfs",
      "crit": "JCGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDA": [
    {
      "content": "JDA. Xeralfs that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durixeralfs, p. 110",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDB": [
    {
      "content": "JDB. Other Xeralfs that have a natric horizon.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrixeralfs, p. 113",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDC": [
    {
      "content": "JDC. Other Xeralfs that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragixeralfs, p. 110",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDD": [
    {
      "content": "JDD. Other Xeralfs that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase or constitutes one-half or more of the volume.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthoxeralfs, p. 115",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDE": [
    {
      "content": "JDE. Other Xeralfs that have, in all subhorizons in the upper 100 cm of the argillic or kandic horizon or throughout the entire argillic or kandic horizon if less than 100 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Value, moist, of 3 or less; and",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Dry value no more than 1 unit higher than the moist value.",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodoxeralfs, p. 115",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDE",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "JDF": [
    {
      "content": "JDF. Other Xeralfs that have one or more of the following:",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A petrocalcic horizon within 150 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. No densic, lithic, or paralithic contact within 150 cm of the mineral soil surface and an argillic or kandic horizon that has both:",
      "chapter": 5,
      "page": 109,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Within 150 cm of the mineral soil surface, either:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) With increasing depth, no clay decrease of 20 percent or more (relative) from the maximum clay content [Clay is measured as noncarbonate clay or is based on the following formula: Clay % = 2.5(% water retained at 1500 kPa tension - % organic carbon), whichever value is greater, but no more than 100]; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction; and",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "and b. A base at a depth of 150 cm or more; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "3. No densic, lithic, or paralithic contact within 50 cm of the mineral soil surface and an argillic or kandic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons in its upper part, and one or both of the following:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. A clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the argillic or kandic horizon or at its upper boundary; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic or kandic horizon.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Palexeralfs, p. 113",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDF",
      "clause": 11,
      "logic": "NEW"
    }
  ],
  "JDG": [
    {
      "content": "JDG. Other Xeralfs.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxeralfs, p. 111",
      "chapter": 5,
      "page": 110,
      "key": "Key to Great Groups",
      "taxa": "Xeralfs",
      "crit": "JDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDAA": [
    {
      "content": "JDAA. Durixeralfs that have a natric horizon.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDAB": [
    {
      "content": "JDAB. Other Durixeralfs that have, above the duripan, one or both of the following:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDAC": [
    {
      "content": "JDAC. Other Durixeralfs that have, in one or more subhorizons within the argillic horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDAD": [
    {
      "content": "JDAD. Other Durixeralfs that have both:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons totaling 7.5 cm or more in thickness, and one or both of the following:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. A clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the argillic horizon or at its upper boundary; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon; and",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Abruptic Haplic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JDAE": [
    {
      "content": "JDAE. Other Durixeralfs that have an argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons totaling 7.5 cm or more in thickness, and one or both of the following:",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the argillic horizon or at its upper boundary; or",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDAF": [
    {
      "content": "JDAF. Other Durixeralfs that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDAG": [
    {
      "content": "JDAG. Other Durixeralfs.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Durixeralfs",
      "crit": "JDAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDCA": [
    {
      "content": "JDCA. Fragixeralfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Fragixeralfs",
      "chapter": 5,
      "page": 110,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDCB": [
    {
      "content": "JDCB. Other Fragixeralfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Fragixeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JDCC": [
    {
      "content": "JDCC. Other Fragixeralfs that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Fragixeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDCD": [
    {
      "content": "JDCD. Other Fragixeralfs that have, in one or more horizons within 40 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragixeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDCE": [
    {
      "content": "JDCE. Other Fragixeralfs that, above the fragipan, do not have an argillic or kandic horizon with clay films on both vertical and horizontal faces of any peds.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Fragixeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDCF": [
    {
      "content": "JDCF. Other Fragixeralfs.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragixeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Fragixeralfs",
      "crit": "JDCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGA": [
    {
      "content": "JDGA. Haploxeralfs that have both:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A color value, moist, of 3 or less and 0.7 percent or more organic carbon either throughout an Ap horizon or throughout the upper 10 cm of an A horizon.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Mollic Haploxeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGB": [
    {
      "content": "JDGB. Other Haploxeralfs that have both:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. An argillic or kandic horizon that is discontinuous horizontally in each pedon.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ruptic-Inceptic Haploxeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGC": [
    {
      "content": "JDGC. Other Haploxeralfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGD": [
    {
      "content": "JDGD. Other Haploxeralfs that have one or both of the following:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haploxeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGE": [
    {
      "content": "JDGE. Other Haploxeralfs that have both:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Haploxeralfs",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGE",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JDGF": [
    {
      "content": "JDGF. Other Haploxeralfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 111,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGG": [
    {
      "content": "JDGG. Other Haploxeralfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JDGH": [
    {
      "content": "JDGH. Other Haploxeralfs that have both:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic or kandic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic or kandic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JDGI": [
    {
      "content": "JDGI. Other Haploxeralfs that have both:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic or kandic horizon that has a base saturation (by sum of cations) of less than 75 percent in one or more subhorizons within its upper 75 cm or above a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquultic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGJ": [
    {
      "content": "JDGJ. Other Haploxeralfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGK": [
    {
      "content": "JDGK. Other Haploxeralfs that have an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) in one or more subhorizons of the argillic or kandic horizon.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGL": [
    {
      "content": "JDGL. Other Haploxeralfs that have fragic soil properties:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGM": [
    {
      "content": "JDGM. Other Haploxeralfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGM",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JDGN": [
    {
      "content": "JDGN. Other Haploxeralfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGO": [
    {
      "content": "JDGO. Other Haploxeralfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haploxeralfs",
      "chapter": 5,
      "page": 112,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGP": [
    {
      "content": "JDGP. Other Haploxeralfs that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haploxeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGQ": [
    {
      "content": "JDGQ. Other Haploxeralfs that:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an argillic or kandic horizon that is 35 cm or less thick; and",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGQ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Inceptic Haploxeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGQ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDGR": [
    {
      "content": "JDGR. Other Haploxeralfs that have an argillic or kandic horizon that has a base saturation (by sum of cations) of less than 75 percent in one or more subhorizons within its upper 75 cm or above a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Haploxeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGS": [
    {
      "content": "JDGS. Other Haploxeralfs that have a color value, moist, of 3 or less and 0.7 percent or more organic carbon either throughout the upper 10 cm of the mineral soil (unmixed) or throughout the upper 18 cm of the mineral soil after mixing.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Haploxeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDGT": [
    {
      "content": "JDGT. Other Haploxeralfs.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Haploxeralfs",
      "crit": "JDGT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDBA": [
    {
      "content": "JDBA. Natrixeralfs that have one or both of the following:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrixeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDBB": [
    {
      "content": "JDBB. Other Natrixeralfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Natrixeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDBC": [
    {
      "content": "JDBC. Other Natrixeralfs.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrixeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Natrixeralfs",
      "crit": "JDBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFA": [
    {
      "content": "JDFA. Palexeralfs that have one or both of the following:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Palexeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDFB": [
    {
      "content": "JDFB. Other Palexeralfs that have both:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Palexeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "JDFC": [
    {
      "content": "JDFC. Other Palexeralfs that have throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Palexeralfs",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFD": [
    {
      "content": "JDFD. Other Palexeralfs that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 5,
      "page": 113,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "JDFE": [
    {
      "content": "JDFE. Other Palexeralfs that have both:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with chroma of 2 or less in layers that also have aquic conditions in normal years (or artificial drainage) either:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Within the upper 25 cm of the argillic or kandic horizon if its upper boundary is within 50 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface if the upper boundary of the argillic or kandic horizon is 50 cm or more below the mineral soil surface.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "JDFF": [
    {
      "content": "JDFF. Other Palexeralfs that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFG": [
    {
      "content": "JDFG. Other Palexeralfs that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFH": [
    {
      "content": "JDFH. Other Palexeralfs that have an argillic horizon that meets one of the following:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFH",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "JDFI": [
    {
      "content": "JDFI. Other Palexeralfs that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFJ": [
    {
      "content": "JDFJ. Other Palexeralfs that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic or kandic horizon at a depth of 50 cm or more.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFK": [
    {
      "content": "JDFK. Other Palexeralfs that have an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) in one or more horizons within 100 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFL": [
    {
      "content": "JDFL. Other Palexeralfs that have fragic soil properties:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDFM": [
    {
      "content": "JDFM. Other Palexeralfs that have a calcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFN": [
    {
      "content": "JDFN. Other Palexeralfs that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFO": [
    {
      "content": "JDFO. Other Palexeralfs that have an argillic or kandic horizon that has a base saturation (by sum of cations) of less than 75 percent throughout.",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Palexeralfs",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFP": [
    {
      "content": "JDFP. Other Palexeralfs with an argillic or kandic horizon that has, either or both:",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Less than 35 percent clay throughout all subhorizons within 15 cm of its upper boundary; or",
      "chapter": 5,
      "page": 114,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. At its upper boundary, a clay increase of less than 20 percent (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm and of less than 15 percent (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Palexeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDFQ": [
    {
      "content": "JDFQ. Other Palexeralfs that have a color value, moist, of 3 or less and 0.7 percent or more organic carbon either throughout the upper 10 cm of the mineral soil (unmixed) or throughout the upper 18 cm of the mineral soil after mixing.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Palexeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDFR": [
    {
      "content": "JDFR. Other Palexeralfs.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palexeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Palexeralfs",
      "crit": "JDFR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDDA": [
    {
      "content": "JDDA. All Plinthoxeralfs (provisionally).",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Plinthoxeralfs",
      "crit": "JDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Plinthoxeralfs",
      "crit": "JDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDEA": [
    {
      "content": "JDEA. Rhodoxeralfs that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDEB": [
    {
      "content": "JDEB. Other Rhodoxeralfs that have one or both of the following:",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "JDEC": [
    {
      "content": "JDEC. Other Rhodoxeralfs that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDED": [
    {
      "content": "JDED. Other Rhodoxeralfs that have a calcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDEE": [
    {
      "content": "JDEE. Other Rhodoxeralfs that have an argillic or kandic horizon that is either less than 35 cm thick or is discontinuous horizontally in each pedon.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "JDEF": [
    {
      "content": "JDEF. Other Rhodoxeralfs.",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Rhodoxeralfs",
      "chapter": 5,
      "page": 116,
      "key": "Key to Subgroups",
      "taxa": "Rhodoxeralfs",
      "crit": "JDEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DA": [
    {
      "content": "DA. Andisols that have either:",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A histic epipedon; or",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In a layer above a densic, lithic, or paralithic contact or in a layer at a depth between 40 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallowest, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquands, p. 117",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DA",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "DB": [
    {
      "content": "DB. Other Andisols that have a gelic soil temperature regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelands, p. 124",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DC": [
    {
      "content": "DC. Other Andisols that have a cryic soil temperature regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryands, p. 121",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DD": [
    {
      "content": "DD. Other Andisols that have an aridic soil moisture regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torrands, p. 124",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DE": [
    {
      "content": "DE. Other Andisols that have a xeric soil moisture regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerands, p. 135",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DF": [
    {
      "content": "DF. Other Andisols that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrands, p. 134",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DF",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DG": [
    {
      "content": "DG. Other Andisols that have an ustic soil moisture regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustands, p. 132",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DH": [
    {
      "content": "DH. Other Andisols.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udands, p. 125",
      "chapter": 6,
      "page": 117,
      "key": "Key to Suborders",
      "taxa": "Andisols",
      "crit": "DH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAA": [
    {
      "content": "DAA. Aquands that have a gelic soil temperature regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelaquands, p. 119",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAB": [
    {
      "content": "DAB. Other Aquands that have a cryic soil temperature regime.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaquands, p. 118",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAC": [
    {
      "content": "DAC. Other Aquands that have, in half or more of each pedon, a placic horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placaquands, p. 120",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAD": [
    {
      "content": "DAD. Other Aquands that have, in 75 percent or more of each pedon, a coherent, pedogenically cemented horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duraquands, p. 118",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAE": [
    {
      "content": "DAE. Other Aquands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 6,
      "page": 117,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitraquands, p. 120",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DAF": [
    {
      "content": "DAF. Other Aquands that have a melanic epipedon.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Melanaquands, p. 119",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAG": [
    {
      "content": "DAG. Other Aquands that have episaturation.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquands, p. 119",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAH": [
    {
      "content": "DAH. Other Aquands.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquands, p. 118",
      "chapter": 6,
      "page": 118,
      "key": "Key to Great Groups",
      "taxa": "Aquands",
      "crit": "DAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DABA": [
    {
      "content": "DABA. Cryaquands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DABB": [
    {
      "content": "DABB. Other Cryaquands that have a histic epipedon.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Cryaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DABC": [
    {
      "content": "DABC. Other Cryaquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Cryaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DABD": [
    {
      "content": "DABD. Other Cryaquands.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Cryaquands",
      "crit": "DABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DADA": [
    {
      "content": "DADA. Duraquands that have a histic epipedon.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Duraquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DADB": [
    {
      "content": "DADB. Other Duraquands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acraquoxic Duraquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DADC": [
    {
      "content": "DADC. Other Duraquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Duraquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DADD": [
    {
      "content": "DADD. Other Duraquands.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duraquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Duraquands",
      "crit": "DADD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHA": [
    {
      "content": "DAHA. Endoaquands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Endoaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHB": [
    {
      "content": "DAHB. Other Endoaquands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Endoaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHC": [
    {
      "content": "DAHC. Other Endoaquands that have a histic epipedon.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Endoaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHD": [
    {
      "content": "DAHD. Other Endoaquands that have more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction of one or more horizons with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alic Endoaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHE": [
    {
      "content": "DAHE. Other Endoaquands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Endoaquands",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHF": [
    {
      "content": "DAHF. Other Endoaquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 118,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Endoaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAHG": [
    {
      "content": "DAHG. Other Endoaquands.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Endoaquands",
      "crit": "DAHG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGA": [
    {
      "content": "DAGA. Epiaquands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGB": [
    {
      "content": "DAGB. Other Epiaquands that have a histic epipedon.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGC": [
    {
      "content": "DAGC. Other Epiaquands that have more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction of one or more horizons with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alic Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGD": [
    {
      "content": "DAGD. Other Epiaquands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGE": [
    {
      "content": "DAGE. Other Epiaquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAGF": [
    {
      "content": "DAGF. Other Epiaquands.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Epiaquands",
      "crit": "DAGF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAAA": [
    {
      "content": "DAAA. Gelaquands that have a histic epipedon.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Gelaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAAB": [
    {
      "content": "DAAB. Other Gelaquands that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Gelaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAAC": [
    {
      "content": "DAAC. Other Gelaquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Gelaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAAD": [
    {
      "content": "DAAD. Other Gelaquands.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gelaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Gelaquands",
      "crit": "DAAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFA": [
    {
      "content": "DAFA. Melanaquands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Melanaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFB": [
    {
      "content": "DAFB. Other Melanaquands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acraquoxic Melanaquands",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFC": [
    {
      "content": "DAFC. Other Melanaquands that have both:",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. On undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. More than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 119,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydric Pachic Melanaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DAFD": [
    {
      "content": "DAFD. Other Melanaquands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Melanaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFE": [
    {
      "content": "DAFE. Other Melanaquands that have more than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Melanaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFF": [
    {
      "content": "DAFF. Other Melanaquands that have, at a depth between 40 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Melanaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAFG": [
    {
      "content": "DAFG. Other Melanaquands.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Melanaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Melanaquands",
      "crit": "DAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DACA": [
    {
      "content": "DACA. Placaquands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DACB": [
    {
      "content": "DACB. Other Placaquands that have both:",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A histic epipedon; and",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duric Histic Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DACC": [
    {
      "content": "DACC. Other Placaquands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DACD": [
    {
      "content": "DACD. Other Placaquands that have a histic epipedon.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DACE": [
    {
      "content": "DACE. Other Placaquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DACF": [
    {
      "content": "DACF. Other Placaquands.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placaquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Placaquands",
      "crit": "DACF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAEA": [
    {
      "content": "DAEA. Vitraquands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vitraquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAEB": [
    {
      "content": "DAEB. Other Vitraquands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Vitraquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAEC": [
    {
      "content": "DAEC. Other Vitraquands that have a histic epipedon.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Vitraquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAED": [
    {
      "content": "DAED. Other Vitraquands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Vitraquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DAEE": [
    {
      "content": "DAEE. Other Vitraquands.",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vitraquands",
      "chapter": 6,
      "page": 120,
      "key": "Key to Subgroups",
      "taxa": "Vitraquands",
      "crit": "DAEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCA": [
    {
      "content": "DCA. Cryands that have, in 75 percent or more of each pedon, a coherent, pedogenically cemented horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duricryands, p. 121",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCB": [
    {
      "content": "DCB. Other Cryands that have, on undried samples, a 1500 kPa water retention of 100 percent or more, by weighted average, throughout either:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or more layers with a total thickness of 35 cm between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and 100 cm from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 60 percent or more of the horizon thickness between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydrocryands, p. 123",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DCC": [
    {
      "content": "DCC. Other Cryands that have a melanic epipedon.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Melanocryands, p. 123",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCD": [
    {
      "content": "DCD. Other Cryands that have a layer that meets the depth, thickness, and organic carbon requirements for a melanic epipedon.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fulvicryands, p. 122",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCE": [
    {
      "content": "DCE. Other Cryands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitricryands, p. 123",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DCF": [
    {
      "content": "DCF. Other Cryands.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryands, p. 122",
      "chapter": 6,
      "page": 121,
      "key": "Key to Great Groups",
      "taxa": "Cryands",
      "crit": "DCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCAA": [
    {
      "content": "DCAA. Duricryands that have, in some subhorizon at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Duricryands",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DCAB": [
    {
      "content": "DCAB. Other Duricryands that have both:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. No horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic properties, whichever is shallower; and",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers above the coherent, pedogenically cemented horizon in normal years for either or both:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Eutric Oxyaquic Duricryands",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "DCAC": [
    {
      "content": "DCAC. Other Duricryands that are saturated with water in one or more layers above the coherent, pedogenically cemented horizon in normal years for either or both:",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Duricryands",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DCAD": [
    {
      "content": "DCAD. Other Duricryands that have no horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic properties, whichever is shallower.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Duricryands",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCAE": [
    {
      "content": "DCAE. Other Duricryands.",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duricryands",
      "chapter": 6,
      "page": 121,
      "key": "Key to Subgroups",
      "taxa": "Duricryands",
      "crit": "DCAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCDA": [
    {
      "content": "DCDA. Fulvicryands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCDB": [
    {
      "content": "DCDB. Other Fulvicryands that have a folistic epipedon.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCDC": [
    {
      "content": "DCDC. Other Fulvicryands that have both:",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. No horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic properties, whichever is shallower; and",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic properties, whichever is shallower:",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. More than 6.0 percent organic carbon, by weighted average; and",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. More than 4.0 percent organic carbon in all parts.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Eutric Pachic Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "DCDD": [
    {
      "content": "DCDD. Other Fulvicryands that have no horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCDE": [
    {
      "content": "DCDE. Other Fulvicryands that have, throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic properties, whichever is shallower:",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. More than 6.0 percent organic carbon, by weighted average; and",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. More than 4.0 percent organic carbon in all parts.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DCDF": [
    {
      "content": "DCDF. Other Fulvicryands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCDG": [
    {
      "content": "DCDG. Other Fulvicryands.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fulvicryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Fulvicryands",
      "crit": "DCDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFA": [
    {
      "content": "DCFA. Haplocryands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFB": [
    {
      "content": "DCFB. Other Haplocryands that have a folistic epipedon.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFC": [
    {
      "content": "DCFC. Other Haplocryands that have, in some subhorizon at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DCFD": [
    {
      "content": "DCFD. Other Haplocryands that are saturated with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DCFE": [
    {
      "content": "DCFE. Other Haplocryands that have more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction of one or more horizons with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFF": [
    {
      "content": "DCFF. Other Haplocryands that have an albic horizon overlying a cambic horizon in 50 percent or more of each pedon or have a spodic horizon in 50 percent or more of each pedon.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Spodic Haplocryands",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFG": [
    {
      "content": "DCFG. Other Haplocryands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 122,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Haplocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFH": [
    {
      "content": "DCFH. Other Haplocryands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Haplocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFI": [
    {
      "content": "DCFI. Other Haplocryands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Haplocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFJ": [
    {
      "content": "DCFJ. Other Haplocryands that have a xeric soil moisture regime.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCFK": [
    {
      "content": "DCFK. Other Haplocryands.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Haplocryands",
      "crit": "DCFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCBA": [
    {
      "content": "DCBA. Hydrocryands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hydrocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCBB": [
    {
      "content": "DCBB. Other Hydrocryands that have a placic horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placic Hydrocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCBC": [
    {
      "content": "DCBC. Other Hydrocryands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Hydrocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DCBD": [
    {
      "content": "DCBD. Other Hydrocryands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Hydrocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCBE": [
    {
      "content": "DCBE. Other Hydrocryands.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hydrocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Hydrocryands",
      "crit": "DCBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCCA": [
    {
      "content": "DCCA. Melanocryands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer that has andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Melanocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCCB": [
    {
      "content": "DCCB. Other Melanocryands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Melanocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCCC": [
    {
      "content": "DCCC. Other Melanocryands.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Melanocryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Melanocryands",
      "crit": "DCCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEA": [
    {
      "content": "DCEA. Vitricryands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer that has andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vitricryands",
      "chapter": 6,
      "page": 123,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEB": [
    {
      "content": "DCEB. Other Vitricryands that have a folistic epipedon.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEC": [
    {
      "content": "DCEC. Other Vitricryands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DCED": [
    {
      "content": "DCED. Other Vitricryands that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DCEE": [
    {
      "content": "DCEE. Other Vitricryands that have an albic horizon overlying a cambic horizon in 50 percent or more of each pedon or have a spodic horizon in 50 percent or more of each pedon.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Spodic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEF": [
    {
      "content": "DCEF. Other Vitricryands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEG": [
    {
      "content": "DCEG. Other Vitricryands that have a xeric soil moisture regime and a mollic or umbric epipedon.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Xeric Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEH": [
    {
      "content": "DCEH. Other Vitricryands that have a xeric soil moisture regime.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEI": [
    {
      "content": "DCEI. Other Vitricryands that have both:",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm or throughout the entire argillic or kandic horizon if it is less than 50 cm thick.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DCEJ": [
    {
      "content": "DCEJ. Other Vitricryands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEK": [
    {
      "content": "DCEK. Other Vitricryands that have a mollic or umbric epipedon.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DCEL": [
    {
      "content": "DCEL. Other Vitricryands.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vitricryands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitricryands",
      "crit": "DCEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DBA": [
    {
      "content": "DBA. All Gelands are considered Vitrigelands.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Gelands",
      "crit": "DBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitrigelands, p. 124",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Gelands",
      "crit": "DBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DBAA": [
    {
      "content": "DBAA. Vitrigelands that have a mollic or umbric epipedon.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Vitrigelands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DBAB": [
    {
      "content": "DBAB. Other Vitrigelands that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Vitrigelands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DBAC": [
    {
      "content": "DBAC. Other Vitrigelands.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vitrigelands",
      "chapter": 6,
      "page": 124,
      "key": "Key to Subgroups",
      "taxa": "Vitrigelands",
      "crit": "DBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDA": [
    {
      "content": "DDA. Torrands that have, in 75 percent or more of each pedon, a coherent, pedogenically cemented horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duritorrands, p. 125",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDB": [
    {
      "content": "DDB. Other Torrands that have, on air-dried samples, a 1500 kPa water retention of less than 15 percent throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 124,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitritorrands, p. 125",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DDC": [
    {
      "content": "DDC. Other Torrands.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplotorrands, p. 125",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Torrands",
      "crit": "DDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDAA": [
    {
      "content": "DDAA. Duritorrands that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Duritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDAB": [
    {
      "content": "DDAB. Other Duritorrands that have, on air-dried samples, a 1500 kPa water retention of less than 15 percent throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, if there is no paralithic contact or duripan within that depth, and a point 60 cm below that depth; or",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a paralithic contact or a duripan.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitric Duritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DDAC": [
    {
      "content": "DDAC. Other Duritorrands.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Duritorrands",
      "crit": "DDAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDCA": [
    {
      "content": "DDCA. Haplotorrands that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplotorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDCB": [
    {
      "content": "DDCB. Other Haplotorrands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Haplotorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDCC": [
    {
      "content": "DDCC. Other Haplotorrands that have a calcic horizon within 125 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplotorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDCD": [
    {
      "content": "DDCD. Other Haplotorrands.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplotorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrands",
      "crit": "DDCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDBA": [
    {
      "content": "DDBA. Vitritorrands that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vitritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDBB": [
    {
      "content": "DDBB. Other Vitritorrands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) coherent, pedogenically cemented soil material within 100 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Vitritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDBC": [
    {
      "content": "DDBC. Other Vitritorrands that have, in one or more horizons at a depth between 50 and 100 cm from the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Vitritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DDBD": [
    {
      "content": "DDBD. Other Vitritorrands that have a calcic horizon within 125 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Vitritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DDBE": [
    {
      "content": "DDBE. Other Vitritorrands.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vitritorrands",
      "chapter": 6,
      "page": 125,
      "key": "Key to Subgroups",
      "taxa": "Vitritorrands",
      "crit": "DDBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHA": [
    {
      "content": "DHA. Udands that have, in half or more of each pedon, a placic horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placudands, p. 132",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHB": [
    {
      "content": "DHB. Other Udands that have, in 75 percent or more of each pedon, a coherent, pedogenically cemented horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durudands, p. 126",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHC": [
    {
      "content": "DHC. Other Udands that have a melanic epipedon.",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Melanudands, p. 130",
      "chapter": 6,
      "page": 125,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHD": [
    {
      "content": "DHD. Other Udands that have, on undried samples, a 1500 kPa water retention of 100 percent or more, by weighted average, throughout either:",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or more layers with a total thickness of 35 cm between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and 100 cm from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 60 percent or more of the horizon thickness between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydrudands, p. 129",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHD",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DHE": [
    {
      "content": "DHE. Other Udands that have a layer that meets the depth, thickness, and organic carbon requirements for a melanic epipedon.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fulvudands, p. 126",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHF": [
    {
      "content": "DHF. Other Udands.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapludands, p. 127",
      "chapter": 6,
      "page": 126,
      "key": "Key to Great Groups",
      "taxa": "Udands",
      "crit": "DHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHBA": [
    {
      "content": "DHBA. Durudands that have, in one or more horizons above the coherent, pedogenically cemented horizon, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHBB": [
    {
      "content": "DHBB. Other Durudands that have no horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic properties, whichever is shallower.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHBC": [
    {
      "content": "DHBC. Other Durudands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, and the coherent, pedogenically cemented horizon.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHBD": [
    {
      "content": "DHBD. Other Durudands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick above the coherent, pedogenically cemented horizon.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHBE": [
    {
      "content": "DHBE. Other Durudands that have more than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHBF": [
    {
      "content": "DHBF. Other Durudands.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Durudands",
      "crit": "DHBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEA": [
    {
      "content": "DHEA. Fulvudands that have both:",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. No horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 cm from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, and the lithic contact.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutric Lithic Fulvudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHEB": [
    {
      "content": "DHEB. Other Fulvudands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Fulvudands",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEC": [
    {
      "content": "DHEC. Other Fulvudands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 126,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHED": [
    {
      "content": "DHED. Other Fulvudands that are saturated with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHEE": [
    {
      "content": "DHEE. Other Fulvudands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEF": [
    {
      "content": "DHEF. Other Fulvudands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEG": [
    {
      "content": "DHEG. Other Fulvudands that have both:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHEH": [
    {
      "content": "DHEH. Other Fulvudands that have both:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. No horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. More than 6.0 percent organic carbon, by weighted average; and",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. More than 4.0 percent organic carbon in all parts.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Eutric Pachic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "DHEI": [
    {
      "content": "DHEI. Other Fulvudands that have no horizons with more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction and with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEJ": [
    {
      "content": "DHEJ. Other Fulvudands that have, throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. More than 6.0 percent organic carbon, by weighted average; and",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. More than 4.0 percent organic carbon in all parts.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHEK": [
    {
      "content": "DHEK. Other Fulvudands that have, at a depth between 40 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHEL": [
    {
      "content": "DHEL. Other Fulvudands.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fulvudands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Fulvudands",
      "crit": "DHEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFA": [
    {
      "content": "DHFA. Hapludands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapludands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFB": [
    {
      "content": "DHFB. Other Hapludands that have anthraquic conditions.",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Hapludands",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFC": [
    {
      "content": "DHFC. Other Hapludands that have both:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon 15 cm or more thick that has 20 percent or more (by volume) cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 127,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquic Duric Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFC",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "DHFD": [
    {
      "content": "DHFD. Other Hapludands that have a horizon 15 cm or more thick that has 20 percent or more (by volume) cemented soil material within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFE": [
    {
      "content": "DHFE. Other Hapludands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHFF": [
    {
      "content": "DHFF. Other Hapludands that are saturated with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFG": [
    {
      "content": "DHFG. Other Hapludands that have more than 2.0 cmol(+)/kg Al3+ (by 1N KCl) in the fine-earth fraction of one or more horizons with a total thickness of 10 cm or more at a depth between 25 and 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alic Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFH": [
    {
      "content": "DHFH. Other Hapludands that have both:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl- extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine- earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. On undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Hydric Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFI": [
    {
      "content": "DHFI. Other Hapludands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, both:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl- extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine- earth fraction of one or more horizons with a total thickness of 30 cm or more; and",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Thaptic Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFJ": [
    {
      "content": "DHFJ. Other Hapludands that have both:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl- extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine- earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic or kandic horizon that has both:",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. An upper boundary within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A base saturation (by sum of cations) of less than 35 percent throughout its upper 50 cm.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Ultic Hapludands",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "DHFK": [
    {
      "content": "DHFK. Other Hapludands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more.",
      "chapter": 6,
      "page": 128,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFL": [
    {
      "content": "DHFL. Other Hapludands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFM": [
    {
      "content": "DHFM. Other Hapludands that have both:",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. On undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. At a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydric Thaptic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFN": [
    {
      "content": "DHFN. Other Hapludands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFO": [
    {
      "content": "DHFO. Other Hapludands that have both:",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) of more than 25.0 cmol(+) per kg in the fine-earth fraction throughout one or more horizons with a total thickness of 15 cm or more at a depth between 25 and 75 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. At a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutric Thaptic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFP": [
    {
      "content": "DHFP. Other Hapludands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFQ": [
    {
      "content": "DHFQ. Other Hapludands that have a sum of extractable bases (by NH4 OAc) of more than 25.0 cmol(+) per kg in the fine-earth fraction throughout one or more horizons with a total thickness of 15 cm or more at a depth between 25 and 75 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFR": [
    {
      "content": "DHFR. Other Hapludands that have an oxic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Oxic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFS": [
    {
      "content": "DHFS. Other Hapludands that have both:",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFS",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFS",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHFT": [
    {
      "content": "DHFT. Other Hapludands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHFU": [
    {
      "content": "DHFU. Other Hapludands.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapludands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hapludands",
      "crit": "DHFU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHDA": [
    {
      "content": "DHDA. Hydrudands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hydrudands",
      "chapter": 6,
      "page": 129,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHDB": [
    {
      "content": "DHDB. Other Hydrudands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHDC": [
    {
      "content": "DHDC. Other Hydrudands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, both:",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl- extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine- earth fraction of one or more horizons with a total thickness of 30 cm or more; and",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Thaptic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHDD": [
    {
      "content": "DHDD. Other Hydrudands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHDE": [
    {
      "content": "DHDE. Other Hydrudands that have, at depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHDF": [
    {
      "content": "DHDF. Other Hydrudands that have at a depth between 25 and 75 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a sum of extractable bases (by NH4 OAc) of more than 25.0 cmol(+)/kg in the fine-earth fraction throughout one or more horizons with a total thickness of 15 cm or more.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHDG": [
    {
      "content": "DHDG. Other Hydrudands that have both:",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHDH": [
    {
      "content": "DHDH. Other Hydrudands.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hydrudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Hydrudands",
      "crit": "DHDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCA": [
    {
      "content": "DHCA. Melanudands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer that has andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Melanudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCB": [
    {
      "content": "DHCB. Other Melanudands that have anthraquic conditions.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Melanudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCC": [
    {
      "content": "DHCC. Other Melanudands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Melanudands",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHCD": [
    {
      "content": "DHCD. Other Melanudands that have both:",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+) per kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 130,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Vitric Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHCE": [
    {
      "content": "DHCE. Other Melanudands that have both:",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+) per kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. On undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Hydric Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHCF": [
    {
      "content": "DHCF. Other Melanudands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+) per kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCG": [
    {
      "content": "DHCG. Other Melanudands that have both:",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Vitric Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHCH": [
    {
      "content": "DHCH. Other Melanudands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCI": [
    {
      "content": "DHCI. Other Melanudands that have both:",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. On undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. More than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydric Pachic Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHCJ": [
    {
      "content": "DHCJ. Other Melanudands that have more than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCK": [
    {
      "content": "DHCK. Other Melanudands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCL": [
    {
      "content": "DHCL. Other Melanudands that have, at a depth between 40 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Melanudands",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCM": [
    {
      "content": "DHCM. Other Melanudands that have both:",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 131,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Melanudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DHCN": [
    {
      "content": "DHCN. Other Melanudands that have a sum of extractable bases (by NH4 OAc) of more than 25.0 cmol(+)/kg in the fine- earth fraction throughout one or more horizons with a total thickness of 15 cm or more at a depth between 25 and 75 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Melanudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHCO": [
    {
      "content": "DHCO. Other Melanudands.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Melanudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Melanudands",
      "crit": "DHCO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHAA": [
    {
      "content": "DHAA. Placudands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer that has andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Placudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHAB": [
    {
      "content": "DHAB. Other Placudands that have, in one or more horizons at a depth between 50 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, and the placic horizon, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Placudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DHAC": [
    {
      "content": "DHAC. Other Placudands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 2.0 cmol(+)/kg in the fine-earth fraction of one or more horizons with a total thickness of 30 cm or more at a depth between 25 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, and the placic horizon.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Placudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHAD": [
    {
      "content": "DHAD. Other Placudands that have, on undried samples, a 1500 kPa water retention of 70 percent or more throughout a layer 35 cm or more thick within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Placudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DHAE": [
    {
      "content": "DHAE. Other Placudands.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placudands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Placudands",
      "crit": "DHAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGA": [
    {
      "content": "DGA. Ustands that have, in 75 percent or more of each pedon, a coherent, pedogenically cemented horizon within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Great Groups",
      "taxa": "Ustands",
      "crit": "DGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durustands, p. 132",
      "chapter": 6,
      "page": 132,
      "key": "Key to Great Groups",
      "taxa": "Ustands",
      "crit": "DGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGB": [
    {
      "content": "DGB. Other Ustands.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Great Groups",
      "taxa": "Ustands",
      "crit": "DGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustands, p. 133",
      "chapter": 6,
      "page": 132,
      "key": "Key to Great Groups",
      "taxa": "Ustands",
      "crit": "DGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGAA": [
    {
      "content": "DGAA. Durustands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Durustands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DGAB": [
    {
      "content": "DGAB. Other Durustands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Durustands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGAC": [
    {
      "content": "DGAC. Other Durustands that have a melanic, mollic, or umbric epipedon.",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Durustands",
      "chapter": 6,
      "page": 132,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGAD": [
    {
      "content": "DGAD. Other Durustands.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Durustands",
      "crit": "DGAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBA": [
    {
      "content": "DGBA. Haplustands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBB": [
    {
      "content": "DGBB. Other Haplustands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DGBC": [
    {
      "content": "DGBC. Other Haplustands that have both:",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A sum of extractable bases (by NH4 OAc) plus 1N KCl- extractable Al3+ totaling less than 15.0 cmol(+)/kg in the fine-earth fraction throughout one or more horizons with a total thickness of 60 cm or more within 75 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystric Vitric Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DGBD": [
    {
      "content": "DGBD. Other Haplustands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout one or more layers that have andic soil properties and have a total thickness of 25 cm or more within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitric Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBE": [
    {
      "content": "DGBE. Other Haplustands that have more than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBF": [
    {
      "content": "DGBF. Other Haplustands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBG": [
    {
      "content": "DGBG. Other Haplustands that have a calcic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBH": [
    {
      "content": "DGBH. Other Haplustands that have a sum of extractable bases (by NH4 OAc) plus 1N KCl-extractable Al3+ totaling less than 15.0 cmol(+)/kg in the fine-earth fraction throughout one or more horizons with a total thickness of 60 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystric Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBI": [
    {
      "content": "DGBI. Other Haplustands that have an oxic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Oxic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBJ": [
    {
      "content": "DGBJ. Other Haplustands that have both:",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm or throughout the entire argillic or kandic horizon if it is less than 50 cm thick.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DGBK": [
    {
      "content": "DGBK. Other Haplustands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Haplustands",
      "chapter": 6,
      "page": 133,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBL": [
    {
      "content": "DGBL. Other Haplustands that have a melanic, mollic, or umbric epipedon.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haplustands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DGBM": [
    {
      "content": "DGBM. Other Haplustands.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Haplustands",
      "crit": "DGBM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFA": [
    {
      "content": "DFA. Vitrands that have an ustic soil moisture regime.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Great Groups",
      "taxa": "Vitrands",
      "crit": "DFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustivitrands, p. 134",
      "chapter": 6,
      "page": 134,
      "key": "Key to Great Groups",
      "taxa": "Vitrands",
      "crit": "DFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFB": [
    {
      "content": "DFB. Other Vitrands.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Great Groups",
      "taxa": "Vitrands",
      "crit": "DFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udivitrands, p. 134",
      "chapter": 6,
      "page": 134,
      "key": "Key to Great Groups",
      "taxa": "Vitrands",
      "crit": "DFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFBA": [
    {
      "content": "DFBA. Udivitrands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFBB": [
    {
      "content": "DFBB. Other Udivitrands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DFBC": [
    {
      "content": "DFBC. Other Udivitrands that are saturated with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DFBD": [
    {
      "content": "DFBD. Other Udivitrands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFBE": [
    {
      "content": "DFBE. Other Udivitrands that have both:",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DFBF": [
    {
      "content": "DFBF. Other Udivitrands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFBG": [
    {
      "content": "DFBG. Other Udivitrands that have a melanic, mollic, or umbric epipedon.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFBH": [
    {
      "content": "DFBH. Other Udivitrands.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Udivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Udivitrands",
      "crit": "DFBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFAA": [
    {
      "content": "DFAA. Ustivitrands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Ustivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFAB": [
    {
      "content": "DFAB. Other Ustivitrands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Ustivitrands",
      "chapter": 6,
      "page": 134,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DFAC": [
    {
      "content": "DFAC. Other Ustivitrands that have, at a depth between 25 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Ustivitrands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFAD": [
    {
      "content": "DFAD. Other Ustivitrands that have a calcic horizon within 125 cm of the soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Ustivitrands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFAE": [
    {
      "content": "DFAE. Other Ustivitrands that have a melanic, mollic, or umbric epipedon.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Ustivitrands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DFAF": [
    {
      "content": "DFAF. Other Ustivitrands.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ustivitrands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Ustivitrands",
      "crit": "DFAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEA": [
    {
      "content": "DEA. Xerands that have a 1500 kPa water retention of less than 15 percent on air-dried samples and less than 30 percent on undried samples throughout 60 percent or more of the thickness either:",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, if there is no densic, lithic, or paralithic contact, duripan, or petrocalcic horizon within that depth; or",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Between the mineral soil surface or the top of an organic layer with andic soil properties, whichever is shallower, and a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrixerands, p. 136",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "DEB": [
    {
      "content": "DEB. Other Xerands that have a melanic epipedon.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Melanoxerands, p. 136",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEC": [
    {
      "content": "DEC. Other Xerands.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxerands, p. 135",
      "chapter": 6,
      "page": 135,
      "key": "Key to Great Groups",
      "taxa": "Xerands",
      "crit": "DEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECA": [
    {
      "content": "DECA. Haploxerands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECB": [
    {
      "content": "DECB. Other Haploxerands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DECC": [
    {
      "content": "DECC. Other Haploxerands that have, at a depth between 25 and 100 cm from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECD": [
    {
      "content": "DECD. Other Haploxerands that have a calcic horizon within 125 cm of the mineral soil surface.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECE": [
    {
      "content": "DECE. Other Haploxerands that have both:",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm of the argillic or kandic horizon.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DECF": [
    {
      "content": "DECF. Other Haploxerands that have both:",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic or umbric epipedon; and",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Humic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DECG": [
    {
      "content": "DECG. Other Haploxerands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Haploxerands",
      "chapter": 6,
      "page": 135,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECH": [
    {
      "content": "DECH. Other Haploxerands that have a mollic or umbric epipedon.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haploxerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DECI": [
    {
      "content": "DECI. Other Haploxerands.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Haploxerands",
      "crit": "DECI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEBA": [
    {
      "content": "DEBA. Melanoxerands that have more than 6.0 percent organic carbon and the colors of a mollic epipedon throughout a layer 50 cm or more thick within 60 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Melanoxerands",
      "crit": "DEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Melanoxerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Melanoxerands",
      "crit": "DEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEBB": [
    {
      "content": "DEBB. Other Melanoxerands.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Melanoxerands",
      "crit": "DEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Melanoxerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Melanoxerands",
      "crit": "DEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEAA": [
    {
      "content": "DEAA. Vitrixerands that have a lithic contact within 50 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEAB": [
    {
      "content": "DEAB. Other Vitrixerands that have, in one or more horizons at a depth between 50 and 100 cm either from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 2 percent or more redox concentrations; or",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 4 or more and 50 percent or more chroma of 2 or less either in redox depletions on faces of peds or in the matrix if peds are absent; or",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "DEAC": [
    {
      "content": "DEAC. Other Vitrixerands that have, at a depth between 25 and 100 cm from the mineral soil surface or from the top of an organic layer with andic soil properties, whichever is shallower, a layer 10 cm or more thick with more than 3.0 percent organic carbon and the colors of a mollic epipedon throughout, underlying one or more horizons with a total thickness of 10 cm or more that have a color value, moist, 1 unit or more higher and an organic carbon content 1 percent or more (absolute) lower.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thaptic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEAD": [
    {
      "content": "DEAD. Other Vitrixerands that have both:",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A melanic, mollic, or umbric epipedon; and",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Humic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DEAE": [
    {
      "content": "DEAE. Other Vitrixerands that have both:",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower; and",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A base saturation (by sum of cations) of less than 35 percent throughout the upper 50 cm or throughout the entire argillic or kandic horizon if it is less than 50 cm thick.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ultic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "DEAF": [
    {
      "content": "DEAF. Other Vitrixerands that have an argillic or kandic horizon within 125 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEAG": [
    {
      "content": "DEAG. Other Vitrixerands that have a melanic, mollic, or umbric epipedon.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "DEAH": [
    {
      "content": "DEAH. Other Vitrixerands.",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vitrixerands",
      "chapter": 6,
      "page": 136,
      "key": "Key to Subgroups",
      "taxa": "Vitrixerands",
      "crit": "DEAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GA": [
    {
      "content": "GA. Aridisols that have a cryic soil temperature regime.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryids, p. 153",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GB": [
    {
      "content": "GB. Other Aridisols that have a salic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salids, p. 163",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GC": [
    {
      "content": "GC. Other Aridisols that have a duripan within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durids, p. 156",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GD": [
    {
      "content": "GD. Other Aridisols that have a gypsic or petrogypsic horizon within 100 cm of the soil surface and do not have a petrocalcic horizon overlying these horizons.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsids, p. 159",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GE": [
    {
      "content": "GE. Other Aridisols that have an argillic or natric horizon and do not have a petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argids, p. 137",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GF": [
    {
      "content": "GF. Other Aridisols that have a calcic or petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcids, p. 146",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GG": [
    {
      "content": "GG. Other Aridisols.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cambids, p. 148",
      "chapter": 7,
      "page": 137,
      "key": "Key to Suborders",
      "taxa": "Aridisols",
      "crit": "GG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEA": [
    {
      "content": "GEA. Argids that have a duripan or a petrocalcic or petrogypsic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroargids, p. 145",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEB": [
    {
      "content": "GEB. Other Argids that have a natric horizon.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrargids, p. 142",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEC": [
    {
      "content": "GEC. Other Argids that do not have a densic, lithic, or paralithic contact within 50 cm of the soil surface and have either:",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons in its upper part, and one or both of the following:",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. A clay increase of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm either within the argillic horizon or at its upper boundary; or",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "or b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon; or",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. An argillic horizon that extends to 150 cm or more from the soil surface, that does not have a clay decrease with increasing depth of 20 percent or more (relative) from the maximum clay content, and that has, in 50 percent or more of the matrix in some part between 100 and 150 cm, either:",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder and chroma of 5 or more; or",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 7.5YR or redder and value, moist, of 3 or less and value, dry, of 4 or less.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Paleargids, p. 144",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEC",
      "clause": 8,
      "logic": "NEW"
    }
  ],
  "GED": [
    {
      "content": "GED. Other Argids that have a gypsic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsiargids, p. 139",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEE": [
    {
      "content": "GEE. Other Argids that have a calcic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calciargids, p. 137",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEF": [
    {
      "content": "GEF. Other Argids.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplargids, p. 140",
      "chapter": 7,
      "page": 137,
      "key": "Key to Great Groups",
      "taxa": "Argids",
      "crit": "GEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEA": [
    {
      "content": "GEEA. Calciargids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 137,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calciargids",
      "chapter": 7,
      "page": 137,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEB": [
    {
      "content": "GEEB. Other Calciargids that have both:",
      "chapter": 7,
      "page": 137,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 137,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 137,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and have a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xerertic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEEC": [
    {
      "content": "GEEC. Other Calciargids that have both:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "3. A soil moisture regime that borders on ustic and have a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ustertic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEED": [
    {
      "content": "GEED. Other Calciargids that have one or both of the following:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEE": [
    {
      "content": "GEEE. Other Calciargids that are either:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEF": [
    {
      "content": "GEEF. Other Calciargids that:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Have a soil moisture regime that borders on ustic and have a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Ustic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEG": [
    {
      "content": "GEEG. Other Calciargids that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEH": [
    {
      "content": "GEEH. Other Calciargids that have both:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and have a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEI": [
    {
      "content": "GEEI. Other Calciargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEJ": [
    {
      "content": "GEEJ. Other Calciargids that have both:",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and have a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Xeric Calciargids",
      "chapter": 7,
      "page": 138,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEK": [
    {
      "content": "GEEK. Other Calciargids that have both:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Ustic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEL": [
    {
      "content": "GEEL. Other Calciargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEM": [
    {
      "content": "GEEM. Other Calciargids that have both:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEM",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEEN": [
    {
      "content": "GEEN. Other Calciargids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEEO": [
    {
      "content": "GEEO. Other Calciargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEP": [
    {
      "content": "GEEP. Other Calciargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEEQ": [
    {
      "content": "GEEQ. Other Calciargids.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Calciargids",
      "crit": "GEEQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEDA": [
    {
      "content": "GEDA. Gypsiargids that are either:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Are saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Gypsiargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEDB": [
    {
      "content": "GEDB. Other Gypsiargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that either contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Gypsiargids",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEDC": [
    {
      "content": "GEDC. Other Gypsiargids that have both:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 139,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Gypsiargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEDD": [
    {
      "content": "GEDD. Other Gypsiargids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Gypsiargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEDE": [
    {
      "content": "GEDE. Other Gypsiargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Gypsiargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEDF": [
    {
      "content": "GEDF. Other Gypsiargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Gypsiargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEDG": [
    {
      "content": "GEDG. Other Gypsiargids.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gypsiargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Gypsiargids",
      "crit": "GEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFA": [
    {
      "content": "GEFA. Haplargids that have both:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An argillic horizon that is discontinuous throughout each pedon.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ruptic-Entic Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFB": [
    {
      "content": "GEFB. Other Haplargids that have both:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Xeric Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFC": [
    {
      "content": "GEFC. Other Haplargids that have both:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "3. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ustic Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFD": [
    {
      "content": "GEFD. Other Haplargids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFE": [
    {
      "content": "GEFE. Other Haplargids that have both:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xerertic Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEFF": [
    {
      "content": "GEFF. Other Haplargids that have both:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ustertic Haplargids",
      "chapter": 7,
      "page": 140,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEFG": [
    {
      "content": "GEFG. Other Haplargids that have one or both of the following:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFH": [
    {
      "content": "GEFH. Other Haplargids that are either:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFI": [
    {
      "content": "GEFI. Other Haplargids that:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Have a soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Ustic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFJ": [
    {
      "content": "GEFJ. Other Haplargids that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFK": [
    {
      "content": "GEFK. Other Haplargids that have both:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFL": [
    {
      "content": "GEFL. Other Haplargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFM": [
    {
      "content": "GEFM. Other Haplargids that have both:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Ustic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFN": [
    {
      "content": "GEFN. Other Haplargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFO": [
    {
      "content": "GEFO. Other Haplargids that have both:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplargids",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEFP": [
    {
      "content": "GEFP. Other Haplargids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 141,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEFQ": [
    {
      "content": "GEFQ. Other Haplargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFR": [
    {
      "content": "GEFR. Other Haplargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEFS": [
    {
      "content": "GEFS. Other Haplargids.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Haplargids",
      "crit": "GEFS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBA": [
    {
      "content": "GEBA. Natrargids that have both:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Xeric Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBB": [
    {
      "content": "GEBB. Other Natrargids that have both:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ustic Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBC": [
    {
      "content": "GEBC. Other Natrargids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBD": [
    {
      "content": "GEBD. Other Natrargids that:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "2. Have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "1. Have one or both of the following:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in most years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xerertic Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEBE": [
    {
      "content": "GEBE. Other Natrargids that:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have one or both of the following:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in most years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ustertic Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEBF": [
    {
      "content": "GEBF. Other Natrargids that have one or both of the following:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in most years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrargids",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBG": [
    {
      "content": "GEBG. Other Natrargids that are either:",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 142,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBH": [
    {
      "content": "GEBH. Other Natrargids that have both:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBI": [
    {
      "content": "GEBI. Other Natrargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBJ": [
    {
      "content": "GEBJ. Other Natrargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBK": [
    {
      "content": "GEBK. Other Natrargids that have both:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Skeletans covering 10 percent or more of the surfaces of peds at a depth of 2.5 cm or more below the upper boundary of the natric horizon; and",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Glossic Ustic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBL": [
    {
      "content": "GEBL. Other Natrargids that have both:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An exchangeable sodium percentage of less than 15 (or an SAR of less than 13) in 50 percent or more of the natric horizon; and",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Ustic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBM": [
    {
      "content": "GEBM. Other Natrargids that have both:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An exchangeable sodium percentage of less than 15 (or an SAR of less than 13) in 50 percent or more of the natric horizon; and",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploxeralfic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBN": [
    {
      "content": "GEBN. Other Natrargids that have an exchangeable sodium percentage of less than 15 (or an SAR of less than 13) in 50 percent or more of the natric horizon.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBO": [
    {
      "content": "GEBO. Other Natrargids that have both:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GEBP": [
    {
      "content": "GEBP. Other Natrargids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Natrargids",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEBQ": [
    {
      "content": "GEBQ. Other Natrargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5o C or higher.",
      "chapter": 7,
      "page": 143,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Natrargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBR": [
    {
      "content": "GEBR. Other Natrargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Natrargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBS": [
    {
      "content": "GEBS. Other Natrargids that have skeletans covering 10 percent or more of the surfaces of peds at a depth of 2.5 cm or more below the upper boundary of the natric horizon.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Natrargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEBT": [
    {
      "content": "GEBT. Other Natrargids.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Natrargids",
      "crit": "GEBT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECA": [
    {
      "content": "GECA. Paleargids that have one or both of the following:",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECB": [
    {
      "content": "GECB. Other Paleargids that are either:",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECC": [
    {
      "content": "GECC. Other Paleargids that:",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Ustic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECD": [
    {
      "content": "GECD. Other Paleargids that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECE": [
    {
      "content": "GECE. Other Paleargids that have a calcic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECF": [
    {
      "content": "GECF. Other Paleargids that have both:",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECG": [
    {
      "content": "GECG. Other Paleargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECH": [
    {
      "content": "GECH. Other Paleargids that have both:",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Ustic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECI": [
    {
      "content": "GECI. Other Paleargids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Paleargids",
      "chapter": 7,
      "page": 144,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECJ": [
    {
      "content": "GECJ. Other Paleargids that have both:",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Paleargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GECK": [
    {
      "content": "GECK. Other Paleargids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Paleargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GECL": [
    {
      "content": "GECL. Other Paleargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Paleargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECM": [
    {
      "content": "GECM. Other Paleargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Paleargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GECN": [
    {
      "content": "GECN. Other Paleargids.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Paleargids",
      "crit": "GECN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAA": [
    {
      "content": "GEAA. Petroargids that have both:",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petrogypsic horizon within 150 cm of the soil surface; and",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petrogypsic Ustic Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEAB": [
    {
      "content": "GEAB. Other Petroargids that have a petrogypsic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsic Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAC": [
    {
      "content": "GEAC. Other Petroargids that have both:",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan within 150 cm of the soil surface; and",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duric Xeric Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GEAD": [
    {
      "content": "GEAD. Other Petroargids that have a duripan within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAE": [
    {
      "content": "GEAE. Other Petroargids that have a natric horizon.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAF": [
    {
      "content": "GEAF. Other Petroargids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAG": [
    {
      "content": "GEAG. Other Petroargids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GEAH": [
    {
      "content": "GEAH. Other Petroargids.",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petroargids",
      "chapter": 7,
      "page": 145,
      "key": "Key to Subgroups",
      "taxa": "Petroargids",
      "crit": "GEAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFA": [
    {
      "content": "GFA. Calcids that have a petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Great Groups",
      "taxa": "Calcids",
      "crit": "GFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcids, p. 148",
      "chapter": 7,
      "page": 146,
      "key": "Key to Great Groups",
      "taxa": "Calcids",
      "crit": "GFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFB": [
    {
      "content": "GFB. Other Calcids.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Great Groups",
      "taxa": "Calcids",
      "crit": "GFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocalcids, p. 146",
      "chapter": 7,
      "page": 146,
      "key": "Key to Great Groups",
      "taxa": "Calcids",
      "crit": "GFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBA": [
    {
      "content": "GFBA. Haplocalcids that have both:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Xeric Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBB": [
    {
      "content": "GFBB. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ustic Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBC": [
    {
      "content": "GFBC. Other Haplocalcids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBD": [
    {
      "content": "GFBD. Other Haplocalcids that have one or both of the following:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBE": [
    {
      "content": "GFBE. Other Haplocalcids that:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Are either:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years; and",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquic Durinodic Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GFBF": [
    {
      "content": "GFBF. Other Haplocalcids that are either:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBG": [
    {
      "content": "GFBG. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan within 150 cm of the soil surface; and",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duric Xeric Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBH": [
    {
      "content": "GFBH. Other Haplocalcids that have a duripan within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBI": [
    {
      "content": "GFBI. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Haplocalcids",
      "chapter": 7,
      "page": 146,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBJ": [
    {
      "content": "GFBJ. Other Haplocalcids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBK": [
    {
      "content": "GFBK. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Xeric Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBL": [
    {
      "content": "GFBL. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Ustic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBM": [
    {
      "content": "GFBM. Other Haplocalcids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBN": [
    {
      "content": "GFBN. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years; and",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sodic Xeric Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBO": [
    {
      "content": "GFBO. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years; and",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sodic Ustic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBP": [
    {
      "content": "GFBP. Other Haplocalcids that have a horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBQ": [
    {
      "content": "GFBQ. Other Haplocalcids that have both:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBQ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GFBR": [
    {
      "content": "GFBR. Other Haplocalcids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBR",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBR",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocalcids",
      "chapter": 7,
      "page": 147,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBR",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFBS": [
    {
      "content": "GFBS. Other Haplocalcids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBT": [
    {
      "content": "GFBT. Other Haplocalcids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFBU": [
    {
      "content": "GFBU. Other Haplocalcids.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Haplocalcids",
      "crit": "GFBU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAA": [
    {
      "content": "GFAA. Petrocalcids that are either:",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFAB": [
    {
      "content": "GFAB. Other Petrocalcids that have a natric horizon.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAC": [
    {
      "content": "GFAC. Other Petrocalcids that have both:",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon within 100 cm of the soil surface; and",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeralfic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFAD": [
    {
      "content": "GFAD. Other Petrocalcids that have both:",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon within 100 cm of the soil surface; and",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustalfic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFAE": [
    {
      "content": "GFAE. Other Petrocalcids that have an argillic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAF": [
    {
      "content": "GFAF. Other Petrocalcids that have both:",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon overlying the petrocalcic horizon; and",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcic Lithic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GFAG": [
    {
      "content": "GFAG. Other Petrocalcids that have a calcic horizon overlying the petrocalcic horizon.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAH": [
    {
      "content": "GFAH. Other Petrocalcids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAI": [
    {
      "content": "GFAI. Other Petrocalcids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GFAJ": [
    {
      "content": "GFAJ. Other Petrocalcids.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petrocalcids",
      "chapter": 7,
      "page": 148,
      "key": "Key to Subgroups",
      "taxa": "Petrocalcids",
      "crit": "GFAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGA": [
    {
      "content": "GGA. Cambids that are either:",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquicambids, p. 149",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "GGB": [
    {
      "content": "GGB. Other Cambids that have a duripan or a petrocalcic or petrogypsic horizon within 150 cm of the soil surface.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocambids, p. 152",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGC": [
    {
      "content": "GGC. Other Cambids.",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocambids, p. 150",
      "chapter": 7,
      "page": 148,
      "key": "Key to Great Groups",
      "taxa": "Cambids",
      "crit": "GGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAA": [
    {
      "content": "GGAA. Aquicambids that have, in a horizon at least 25 cm thick within 100 cm of the soil surface, an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAB": [
    {
      "content": "GGAB. Other Aquicambids that have both:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGAC": [
    {
      "content": "GGAC. Other Aquicambids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAD": [
    {
      "content": "GGAD. Other Aquicambids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAE": [
    {
      "content": "GGAE. Other Aquicambids that have both:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GGAF": [
    {
      "content": "GGAF. Other Aquicambids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGAG": [
    {
      "content": "GGAG. Other Aquicambids that meet one or both of the following:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGAH": [
    {
      "content": "GGAH. Other Aquicambids that meet both of the following:",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have an irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGAI": [
    {
      "content": "GGAI. Other Aquicambids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAJ": [
    {
      "content": "GGAJ. Other Aquicambids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Aquicambids",
      "chapter": 7,
      "page": 149,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGAK": [
    {
      "content": "GGAK. Other Aquicambids.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Aquicambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Aquicambids",
      "crit": "GGAK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCA": [
    {
      "content": "GGCA. Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Xeric Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCB": [
    {
      "content": "GGCB. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ustic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCC": [
    {
      "content": "GGCC. Other Haplocambids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCD": [
    {
      "content": "GGCD. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xerertic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GGCE": [
    {
      "content": "GGCE. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ustertic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GGCF": [
    {
      "content": "GGCF. Other Haplocambids that have one or both of the following:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCG": [
    {
      "content": "GGCG. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture-resistance class when moist; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Durinodic Xeric Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCH": [
    {
      "content": "GGCH. Other Haplocambids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes or are brittle and have at least a firm rupture- resistance class when moist.",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Haplocambids",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCI": [
    {
      "content": "GGCI. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 150,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Xeric Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCJ": [
    {
      "content": "GGCJ. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions; and",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petronodic Ustic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCK": [
    {
      "content": "GGCK. Other Haplocambids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) nodules or concretions.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCL": [
    {
      "content": "GGCL. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years; and",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sodic Xeric Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCM": [
    {
      "content": "GGCM. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years; and",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on ustic and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sodic Ustic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCN": [
    {
      "content": "GGCN. Other Haplocambids that have a horizon at least 25 cm thick within 100 cm of the soil surface that has an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCO": [
    {
      "content": "GGCO. Other Haplocambids that have both:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GGCP": [
    {
      "content": "GGCP. Other Haplocambids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCQ": [
    {
      "content": "GGCQ. Other Haplocambids that meet one or both of the following:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCQ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplocambids",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCQ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCR": [
    {
      "content": "GGCR. Other Haplocambids that meet all of the following:",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 7,
      "page": 151,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCR",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCR",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have an irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCR",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Xerofluventic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCR",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "GGCS": [
    {
      "content": "GGCS. Other Haplocambids that meet all of the following:.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCS",
      "clause": 1,
      "logic": "END"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCS",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCS",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have an irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCS",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Ustifluventic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCS",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "GGCT": [
    {
      "content": "GGCT. Other Haplocambids that have both of the following:",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCT",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCT",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGCU": [
    {
      "content": "GGCU. Other Haplocambids that have an anthropic epipedon.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthropic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCV": [
    {
      "content": "GGCV. Other Haplocambids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCW": [
    {
      "content": "GGCW. Other Haplocambids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCW",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCW",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGCX": [
    {
      "content": "GGCX. Other Haplocambids.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCX",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Haplocambids",
      "crit": "GGCX",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGBA": [
    {
      "content": "GGBA. Petrocambids that have, in a horizon at least 25 cm thick within 100 cm of the soil surface, an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Petrocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGBB": [
    {
      "content": "GGBB. Other Petrocambids that have both:",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Petrocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GGBC": [
    {
      "content": "GGBC. Other Petrocambids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Petrocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GGBD": [
    {
      "content": "GGBD. Other Petrocambids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Petrocambids",
      "chapter": 7,
      "page": 152,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGBE": [
    {
      "content": "GGBE. Other Petrocambids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Petrocambids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GGBF": [
    {
      "content": "GGBF. Other Petrocambids.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petrocambids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Petrocambids",
      "crit": "GGBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAA": [
    {
      "content": "GAA. Cryids that have a salic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salicryids, p. 156",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAB": [
    {
      "content": "GAB. Other Cryids that have a duripan, petrocalcic horizon, or petrogypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocryids, p. 155",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAC": [
    {
      "content": "GAC. Other Cryids that have a gypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsicryids, p. 154",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAD": [
    {
      "content": "GAD. Other Cryids that have an argillic or natric horizon.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argicryids, p. 153",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAE": [
    {
      "content": "GAE. Other Cryids that have a calcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcicryids, p. 154",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAF": [
    {
      "content": "GAF. Other Cryids.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryids, p. 155",
      "chapter": 7,
      "page": 153,
      "key": "Key to Great Groups",
      "taxa": "Cryids",
      "crit": "GAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GADA": [
    {
      "content": "GADA. Argicryids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GADB": [
    {
      "content": "GADB. Other Argicryids that have one or both of the following:",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide throughout a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GADC": [
    {
      "content": "GADC. Other Argicryids that have a natric horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GADD": [
    {
      "content": "GADD. Other Argicryids that have both:",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GADE": [
    {
      "content": "GADE. Other Argicryids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GADF": [
    {
      "content": "GADF. Other Argicryids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Argicryids",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GADG": [
    {
      "content": "GADG. Other Argicryids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 153,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Argicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GADH": [
    {
      "content": "GADH. Other Argicryids.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Argicryids",
      "crit": "GADH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAEA": [
    {
      "content": "GAEA. Calcicryids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAEB": [
    {
      "content": "GAEB. Other Calcicryids that have both:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GAEC": [
    {
      "content": "GAEC. Other Calcicryids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GAED": [
    {
      "content": "GAED. Other Calcicryids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAEE": [
    {
      "content": "GAEE. Other Calcicryids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAEF": [
    {
      "content": "GAEF. Other Calcicryids.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Calcicryids",
      "crit": "GAEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GACA": [
    {
      "content": "GACA. Gypsicryids that have a calcic horizon.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Gypsicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GACB": [
    {
      "content": "GACB. Other Gypsicryids that have both:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Gypsicryids",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GACC": [
    {
      "content": "GACC. Other Gypsicryids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 154,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Gypsicryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GACD": [
    {
      "content": "GACD. Other Gypsicryids.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gypsicryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Gypsicryids",
      "crit": "GACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAFA": [
    {
      "content": "GAFA. Haplocryids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAFB": [
    {
      "content": "GAFB. Other Haplocryids that have one or both of the following:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide throughout a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GAFC": [
    {
      "content": "GAFC. Other Haplocryids that have both:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GAFD": [
    {
      "content": "GAFD. Other Haplocryids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GAFE": [
    {
      "content": "GAFE. Other Haplocryids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAFF": [
    {
      "content": "GAFF. Other Haplocryids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAFG": [
    {
      "content": "GAFG. Other Haplocryids.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Haplocryids",
      "crit": "GAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GABA": [
    {
      "content": "GABA. Petrocryids that have both:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan that is strongly coherent or less coherent in all subhorizons within 100 cm of the soil surface; and",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xereptic Petrocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GABB": [
    {
      "content": "GABB. Other Petrocryids that have both:",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan within 100 cm of the soil surface; and",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duric Xeric Petrocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GABC": [
    {
      "content": "GABC. Other Petrocryids that have a duripan within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Petrocryids",
      "chapter": 7,
      "page": 155,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GABD": [
    {
      "content": "GABD. Other Petrocryids that have a petrogypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsic Petrocryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GABE": [
    {
      "content": "GABE. Other Petrocryids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Petrocryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GABF": [
    {
      "content": "GABF. Other Petrocryids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Petrocryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GABG": [
    {
      "content": "GABG. Other Petrocryids.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petrocryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Petrocryids",
      "crit": "GABG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAAA": [
    {
      "content": "GAAA. Salicryids that are saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Salicryids",
      "crit": "GAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Salicryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Salicryids",
      "crit": "GAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GAAB": [
    {
      "content": "GAAB. Other Salicryids.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Salicryids",
      "crit": "GAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Salicryids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Salicryids",
      "crit": "GAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCA": [
    {
      "content": "GCA. Durids that have a natric horizon above the duripan.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natridurids, p. 158",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCB": [
    {
      "content": "GCB. Other Durids that have an argillic horizon above the duripan.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argidurids, p. 156",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCC": [
    {
      "content": "GCC. Other Durids.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplodurids, p. 157",
      "chapter": 7,
      "page": 156,
      "key": "Key to Great Groups",
      "taxa": "Durids",
      "crit": "GCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCBA": [
    {
      "content": "GCBA. Argidurids that have one or both of the following:",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks between the soil surface and the top of the duripan that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that is above the duripan; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and the top of the duripan.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argidurids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCBB": [
    {
      "content": "GCBB. Other Argidurids that are either:",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Argidurids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCBC": [
    {
      "content": "GCBC. Other Argidurids that have both:",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons and one or more of the following:",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A clay increase of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm either within the argillic horizon or at its upper boundary; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "or b. If there is an Ap horizon directly above the argillic horizon, a clay increase of 10 percent or more (absolute, in the fine-earth fraction) at the upper boundary of the argillic horizon; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon; and",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Abruptic Xeric Argidurids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBC",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "GCBD": [
    {
      "content": "GCBD. Other Argidurids that have an argillic horizon that has 35 percent or more noncarbonate clay throughout one or more subhorizons and one or more of the following:",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A clay increase of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm either within the argillic horizon or at its upper boundary; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is an Ap horizon directly above the argillic horizon, a clay increase of 10 percent or more (absolute, in the fine-earth fraction) at the upper boundary of the argillic horizon; or",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Abruptic Argidurids",
      "chapter": 7,
      "page": 156,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "GCBE": [
    {
      "content": "GCBE. Other Argidurids that have both:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan that is strongly coherent or less coherent in all subhorizons; and",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploxeralfic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCBF": [
    {
      "content": "GCBF. Other Argidurids that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argidic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCBG": [
    {
      "content": "GCBG. Other Argidurids that have both:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GCBH": [
    {
      "content": "GCBH. Other Argidurids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCBI": [
    {
      "content": "GCBI. Other Argidurids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCBJ": [
    {
      "content": "GCBJ. Other Argidurids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCBK": [
    {
      "content": "GCBK. Other Argidurids.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argidurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Argidurids",
      "crit": "GCBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCCA": [
    {
      "content": "GCCA. Haplodurids that meet both of the following:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a duripan that is strongly coherent or less coherent in all subhorizons; and",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Are either:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquicambidic Haplodurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GCCB": [
    {
      "content": "GCCB. Other Haplodurids that are either:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Haplodurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCCC": [
    {
      "content": "GCCC. Other Haplodurids that have both:",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan that is strongly coherent or less coherent in all subhorizons; and",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric, a mean annual soil temperature lower than 22 o C, and a difference of 5 o C or more between mean summer and mean winter soil temperatures at a depth of 50 cm.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xereptic Haplodurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCCD": [
    {
      "content": "GCCD. Other Haplodurids that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cambidic Haplodurids",
      "chapter": 7,
      "page": 157,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCCE": [
    {
      "content": "GCCE. Other Haplodurids that have both:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplodurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GCCF": [
    {
      "content": "GCCF. Other Haplodurids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplodurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCCG": [
    {
      "content": "GCCG. Other Haplodurids that have a soil moisture regime that borders on xeric, a mean annual soil temperature lower than 22 o C, and a difference of 5 o C or more between mean summer and mean winter soil temperatures at a depth of 50 cm.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplodurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCCH": [
    {
      "content": "GCCH. Other Haplodurids that have have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplodurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCCI": [
    {
      "content": "GCCI. Other Haplodurids.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplodurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Haplodurids",
      "crit": "GCCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCAA": [
    {
      "content": "GCAA. Natridurids that have one or both of the following:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks between the soil surface and the top of the duripan that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that is above the duripan; or",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and the top of the duripan.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natridurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCAB": [
    {
      "content": "GCAB. Other Natridurids that meet both of the following:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a duripan that is strongly coherent or less coherent in all subhorizons; and",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Are either:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquic Natrargidic Natridurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GCAC": [
    {
      "content": "GCAC. Other Natridurids that are either:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Irrigated and have aquic conditions for some time in normal years in one or more layers within 100 cm of the soil surface; or",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Saturated with water in one or more layers within 100 cm of the soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Natridurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCAD": [
    {
      "content": "GCAD. Other Natridurids that have both:",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan that is strongly coherent or less coherent in all subhorizons; and",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Natrixeralfic Natridurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCAE": [
    {
      "content": "GCAE. Other Natridurids that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrargidic Natridurids",
      "chapter": 7,
      "page": 158,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCAF": [
    {
      "content": "GCAF. Other Natridurids that have both:",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Natridurids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GCAG": [
    {
      "content": "GCAG. Other Natridurids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Natridurids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GCAH": [
    {
      "content": "GCAH. Other Natridurids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Natridurids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GCAI": [
    {
      "content": "GCAI. Other Natridurids.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natridurids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Natridurids",
      "crit": "GCAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDA": [
    {
      "content": "GDA. Gypsids that have a petrogypsic or petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsids, p. 162",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDB": [
    {
      "content": "GDB. Other Gypsids that have a natric horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrigypsids, p. 161",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDC": [
    {
      "content": "GDC. Other Gypsids that have an argillic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argigypsids, p. 159",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDD": [
    {
      "content": "GDD. Other Gypsids that have a calcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcigypsids, p. 160",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDE": [
    {
      "content": "GDE. Other Gypsids.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplogypsids, p. 161",
      "chapter": 7,
      "page": 159,
      "key": "Key to Great Groups",
      "taxa": "Gypsids",
      "crit": "GDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCA": [
    {
      "content": "GDCA. Argigypsids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argigypsids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCB": [
    {
      "content": "GDCB. Other Argigypsids that have one or both of the following:",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argigypsids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDCC": [
    {
      "content": "GDCC. Other Argigypsids that have a calcic horizon overlying the gypsic horizon.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Argigypsids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCD": [
    {
      "content": "GDCD. Other Argigypsids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes, nodules, or concretions.",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Argigypsids",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCE": [
    {
      "content": "GDCE. Other Argigypsids that have both:",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 159,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Argigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GDCF": [
    {
      "content": "GDCF. Other Argigypsids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDCG": [
    {
      "content": "GDCG. Other Argigypsids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Argigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCH": [
    {
      "content": "GDCH. Other Argigypsids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Argigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDCI": [
    {
      "content": "GDCI. Other Argigypsids.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Argigypsids",
      "crit": "GDCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDDA": [
    {
      "content": "GDDA. Calcigypsids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDDB": [
    {
      "content": "GDDB. Other Calcigypsids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes, nodules, or concretions.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDDC": [
    {
      "content": "GDDC. Other Calcigypsids that have both:",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GDDD": [
    {
      "content": "GDDD. Other Calcigypsids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDDE": [
    {
      "content": "GDDE. Other Calcigypsids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDDF": [
    {
      "content": "GDDF. Other Calcigypsids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDDG": [
    {
      "content": "GDDG. Other Calcigypsids.",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcigypsids",
      "chapter": 7,
      "page": 160,
      "key": "Key to Subgroups",
      "taxa": "Calcigypsids",
      "crit": "GDDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEA": [
    {
      "content": "GDEA. Haplogypsids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEB": [
    {
      "content": "GDEB. Other Haplogypsids that have a gypsic horizon within 18 cm of the soil surface.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEC": [
    {
      "content": "GDEC. Other Haplogypsids that have, in a horizon at least 25 cm thick within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or an SAR of 13 or more) during at least 1 month in normal years.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDED": [
    {
      "content": "GDED. Other Haplogypsids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes, nodules, or concretions.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEE": [
    {
      "content": "GDEE. Other Haplogypsids that have both:",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GDEF": [
    {
      "content": "GDEF. Other Haplogypsids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDEG": [
    {
      "content": "GDEG. Other Haplogypsids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEH": [
    {
      "content": "GDEH. Other Haplogypsids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDEI": [
    {
      "content": "GDEI. Other Haplogypsids.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplogypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Haplogypsids",
      "crit": "GDEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDBA": [
    {
      "content": "GDBA. Natrigypsids that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Natrigypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDBB": [
    {
      "content": "GDBB. Other Natrigypsids that have one or both of the following:",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrigypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDBC": [
    {
      "content": "GDBC. Other Natrigypsids that have one or more horizons, within 100 cm of the soil surface and with a combined thickness of 15 cm or more, that contain 20 percent or more (by volume) durinodes, nodules, or concretions.",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petronodic Natrigypsids",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDBD": [
    {
      "content": "GDBD. Other Natrigypsids that have both:",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 161,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Natrigypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GDBE": [
    {
      "content": "GDBE. Other Natrigypsids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Natrigypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDBF": [
    {
      "content": "GDBF. Other Natrigypsids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Natrigypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDBG": [
    {
      "content": "GDBG. Other Natrigypsids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Natrigypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDBH": [
    {
      "content": "GDBH. Other Natrigypsids.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrigypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Natrigypsids",
      "crit": "GDBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDAA": [
    {
      "content": "GDAA. Petrogypsids that have a petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDAB": [
    {
      "content": "GDAB. Other Petrogypsids that have a calcic horizon overlying the petrogypsic horizon.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDAC": [
    {
      "content": "GDAC. Other Petrogypsids that have both:",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A soil moisture regime that borders on xeric and a moisture control section that, in normal years, is dry in all parts for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "GDAD": [
    {
      "content": "GDAD. Other Petrogypsids that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vitrandic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "GDAE": [
    {
      "content": "GDAE. Other Petrogypsids that have a soil moisture regime that borders on xeric and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDAF": [
    {
      "content": "GDAF. Other Petrogypsids that have a soil moisture regime that borders on ustic and, in normal years, are dry in all parts of the moisture control section for less than three-fourths of the time (cumulative) when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GDAG": [
    {
      "content": "GDAG. Other Petrogypsids.",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petrogypsids",
      "chapter": 7,
      "page": 162,
      "key": "Key to Subgroups",
      "taxa": "Petrogypsids",
      "crit": "GDAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBA": [
    {
      "content": "GBA. Salids that are saturated with water in one or more layers within 100 cm of the mineral soil surface for 1 month or more in normal years.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Great Groups",
      "taxa": "Salids",
      "crit": "GBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquisalids, p. 163",
      "chapter": 7,
      "page": 164,
      "key": "Key to Great Groups",
      "taxa": "Salids",
      "crit": "GBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBB": [
    {
      "content": "GBB. Other Salids.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Great Groups",
      "taxa": "Salids",
      "crit": "GBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplosalids, p. 163",
      "chapter": 7,
      "page": 164,
      "key": "Key to Great Groups",
      "taxa": "Salids",
      "crit": "GBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBAA": [
    {
      "content": "GBAA. Aquisalids that have an anhydritic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anhydritic Aquisalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBAB": [
    {
      "content": "GBAB. Other Aquisalids that have a gypsic or petrogypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Aquisalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBAC": [
    {
      "content": "GBAC. Other Aquisalids that have a calcic or petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Aquisalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBAD": [
    {
      "content": "GBAD. Other Aquisalids.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Aquisalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Aquisalids",
      "crit": "GBAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBA": [
    {
      "content": "GBBA. Haplosalids that have a duripan within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBB": [
    {
      "content": "GBBB. Other Haplosalids that have a petrogypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsic Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBC": [
    {
      "content": "GBBC. Other Haplosalids that have an anhydritic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anhydritic Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBD": [
    {
      "content": "GBBD. Other Haplosalids that have a gypsic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBE": [
    {
      "content": "GBBE. Other Haplosalids that have a calcic horizon within 100 cm of the soil surface.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "GBBF": [
    {
      "content": "GBBF. Other Haplosalids.",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplosalids",
      "chapter": 7,
      "page": 164,
      "key": "Key to Subgroups",
      "taxa": "Haplosalids",
      "crit": "GBBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LA": [
    {
      "content": "LA. Entisols that have a field observable water table 2 cm or more above the soil surface for more than 21 hours of each day in all years.",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Wassents, p. 185",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LB": [
    {
      "content": "LB. Other Entisols that have one or more of the following:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Aquic conditions and sulfidic materials within 50 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Permanent saturation with water and a reduced matrix in all horizons below 25 cm from the mineral soil surface; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. In a layer above a densic, lithic, or paralithic contact or in a layer at a depth between 40 and 50 cm below the mineral soil surface, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. A texture class finer than loamy fine sand and, in 50 percent or more of the matrix, one or more of the following:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (2) Chroma of 1 or less and a color value, moist, of 4 or more; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(3) Chroma of 2 or less and redox concentrations; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. A texture class of loamy fine sand or coarser and, in 50 percent or more of the matrix, one or more of the following:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "or (2) Hue of 10YR or redder, a color value, moist, of 4 or more, and chroma of 1; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "(3) Hue of 10YR or redder, chroma of 2 or less, and redox concentrations; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 12,
      "logic": "OR"
    },
    {
      "content": "(4) Hue of 2.5Y or yellower, chroma of 3 or less, and distinct or prominent redox concentrations; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 13,
      "logic": "OR"
    },
    {
      "content": "(5) Hue of 2.5Y or yellower and chroma of 1; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 14,
      "logic": "OR"
    },
    {
      "content": "(6) Hue of 5GY, 5G, 5BG, or 5B; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 15,
      "logic": "OR"
    },
    {
      "content": "(7) Any color if it results from uncoated sand grains; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 16,
      "logic": "OR"
    },
    {
      "content": "or c. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 17,
      "logic": "END"
    },
    {
      "content": "Aquents, p. 166",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LB",
      "clause": 18,
      "logic": "NEW"
    }
  ],
  "LC": [
    {
      "content": "LC. Other Entisols that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers (sandy loam lamellae are permitted) within the particle-size control section.",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psamments, p. 181",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LD": [
    {
      "content": "LD. Other Entisols that do not have a densic, lithic, or paralithic contact within 25 cm of the mineral soil surface, a total thickness of 50 cm or more of human-transported material in the surface horizons, or a surface mantle of new soil material 50 cm or more thick that is not derived from alluvial deposition, and they:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Do not occur on an anthropogenic landform or microfeature; and",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a slope of less than 25 percent; and",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have one or both of the following:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.2 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. Have a soil temperature regime:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 7
    },
    {
      "content": "a. That is warmer than cryic; or",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. That is gelic or cryic and the soil has:",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) No gelic materials; and",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "(2) Either a slope of less than 5 percent or less than 15 percent volcanic glass in the 0.02 to 2.0 mm fraction in some part of the particle-size control section.",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Fluvents, p. 170",
      "chapter": 8,
      "page": 165,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LD",
      "clause": 12,
      "logic": "NEW"
    }
  ],
  "LE": [
    {
      "content": "LE. Other Entisols.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Orthents, p. 176",
      "chapter": 8,
      "page": 166,
      "key": "Key to Suborders",
      "taxa": "Entisols",
      "crit": "LE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBA": [
    {
      "content": "LBA. Aquents that have sulfidic materials within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfaquents, p. 169",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBB": [
    {
      "content": "LBB. Other Aquents that have, in all horizons at a depth between 20 and 50 cm below the mineral soil surface, both an n value of more than 0.7 or a fluidity class of slightly fluid or higher and 8 percent or more clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydraquents, p. 168",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBC": [
    {
      "content": "LBC. Other Aquents that have a gelic soil temperature regime.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelaquents, p. 168",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBD": [
    {
      "content": "LBD. Other Aquents that have a cryic soil temperature regime.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaquents, p. 166",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBE": [
    {
      "content": "LBE. Other Aquents that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers (sandy loam lamellae are permitted) within the particle-size control section.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammaquents, p. 169",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBF": [
    {
      "content": "LBF. Other Aquents that do not have a total thickness of 50 cm or more of human-transported material in the surface horizons or a surface mantle of new soil material 50 cm or more thick that is not derived from alluvial deposition, and they:",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1 Do not occur on an anthropogenic landform or microfeature; and",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a slope of less than 25 percent; and",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have one or both of the following:",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more; or",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquents, p. 167",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBF",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "LBG": [
    {
      "content": "LBG. Other Aquents that have episaturation.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquents, p. 167",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBH": [
    {
      "content": "LBH. Other Aquents.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquents, p. 166",
      "chapter": 8,
      "page": 166,
      "key": "Key to Great Groups",
      "taxa": "Aquents",
      "crit": "LBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBDA": [
    {
      "content": "LBDA. Cryaquents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Cryaquents",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LBDB": [
    {
      "content": "LBDB. Other Cryaquents.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaquents",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Cryaquents",
      "crit": "LBDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBHA": [
    {
      "content": "LBHA. Endoaquents that have, within 100 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Sulfidic materials; or",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has all of the characteristics of a sulfuric horizon, except that it has a pH value between 3.5 and 4.0 and does not have sulfide or other sulfur-bearing minerals.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sulfic Endoaquents",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBHB": [
    {
      "content": "LBHB. Other Endoaquents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Endoaquents",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBHC": [
    {
      "content": "LBHC. Other Endoaquents that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Endoaquents",
      "chapter": 8,
      "page": 166,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBHD": [
    {
      "content": "LBHD. Other Endoaquents that have, in one or more horizons between either the Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, colors in 50 percent or more of the matrix as follows:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder, a color value, moist, of 6 or more, and chroma of 3 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 2.5Y or redder, a color value, moist, of 5 or less, and chroma of 2 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "4. Hue of 5Y or redder and chroma of 2 or more if there are no redox concentrations.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aeric Endoaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LBHE": [
    {
      "content": "LBHE. Other Endoaquents that have both:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humaqueptic Endoaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBHF": [
    {
      "content": "LBHF. Other Endoaquents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Endoaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBHG": [
    {
      "content": "LBHG. Other Endoaquents.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Endoaquents",
      "crit": "LBHG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBGA": [
    {
      "content": "LBGA. Epiaquents that have, in one or more horizons between either the Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, colors in 50 percent or more of the matrix as follows:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder, a color value, moist, of 6 or more, and chroma of 3 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 2.5Y or redder, a color value, moist, of 5 or less, and chroma of 2 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "4. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aeric Epiaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LBGB": [
    {
      "content": "LBGB. Other Epiaquents that have both:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humaqueptic Epiaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBGC": [
    {
      "content": "LBGC. Other Epiaquents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Epiaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBGD": [
    {
      "content": "LBGD. Other Epiaquents.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Epiaquents",
      "crit": "LBGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBFA": [
    {
      "content": "LBFA. Fluvaquents that have, within 100 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Sulfidic materials; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has all of the characteristics of a sulfuric horizon, except that it has a pH value between 3.5 and 4.0 and does not have sulfide or other sulfur-bearing minerals.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sulfic Fluvaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBFB": [
    {
      "content": "LBFB. Other Fluvaquents that have one or both of the following:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Fluvaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBFC": [
    {
      "content": "LBFC. Other Fluvaquents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Fluvaquents",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBFD": [
    {
      "content": "LBFD. Other Fluvaquents that meet one or both of the following:",
      "chapter": 8,
      "page": 167,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBFE": [
    {
      "content": "LBFE. Other Fluvaquents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LBFF": [
    {
      "content": "LBFF. Other Fluvaquents that have, in one or more horizons between either the Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, colors in 50 percent or more of the matrix as follows:",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder, a color value, moist, of 6 or more, and chroma of 3 or more; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 2.5Y or redder, a color value, moist, of 5 or less, and chroma of 2 or more; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "4. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aeric Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LBFG": [
    {
      "content": "LBFG. Other Fluvaquents that have both:",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humaqueptic Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBFH": [
    {
      "content": "LBFH. Other Fluvaquents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBFI": [
    {
      "content": "LBFI. Other Fluvaquents.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fluvaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Fluvaquents",
      "crit": "LBFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBCA": [
    {
      "content": "LBCA. All Gelaquents.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Gelaquents",
      "crit": "LBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gelaquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Gelaquents",
      "crit": "LBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBBA": [
    {
      "content": "LBBA. Hydraquents that have, within 100 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Sulfidic materials; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has all of the characteristics of a sulfuric horizon, except that it has a pH value between 3.5 and 4.0 and does not have sulfide or other sulfur-bearing minerals.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sulfic Hydraquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBBB": [
    {
      "content": "LBBB. Other Hydraquents that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Hydraquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBBC": [
    {
      "content": "LBBC. Other Hydraquents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Hydraquents",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBBD": [
    {
      "content": "LBBD. Other Hydraquents that meet one or both of the following:",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 168,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Hydraquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBBE": [
    {
      "content": "LBBE. Other Hydraquents.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hydraquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Hydraquents",
      "crit": "LBBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBEA": [
    {
      "content": "LBEA. Psammaquents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBEB": [
    {
      "content": "LBEB. Other Psammaquents that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBEC": [
    {
      "content": "LBEC. Other Psammaquents that have a horizon, 5 cm or more thick, either below an Ap horizon or at a depth of 18 cm or more from the mineral soil surface, whichever is deeper, that meets one or more of the following:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Has Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Has an ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LBED": [
    {
      "content": "LBED. Other Psammaquents that have both:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humaqueptic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBEE": [
    {
      "content": "LBEE. Other Psammaquents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBEF": [
    {
      "content": "LBEF. Other Psammaquents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBEG": [
    {
      "content": "LBEG. Other Psammaquents that meet one or both of the following:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBEH": [
    {
      "content": "LBEH. Other Psammaquents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBEI": [
    {
      "content": "LBEI. Other Psammaquents.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Psammaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Psammaquents",
      "crit": "LBEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBAA": [
    {
      "content": "LBAA. Sulfaquents that have a histic epipedon and, in some horizons at a depth between 20 and 50 cm below the mineral soil surface, either or both:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An n value of 0.7 or less or a fluidity class of nonfluid; or",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Less than 8 percent clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Histic-Haplic Sulfaquents",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBAB": [
    {
      "content": "LBAB. Other Sulfaquents that have, in some horizons at a depth between 20 and 50 cm below the mineral soil surface, either or both:",
      "chapter": 8,
      "page": 169,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An n value of 0.7 or less or a fluidity class of nonfluid; or",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Less than 8 percent clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBAC": [
    {
      "content": "LBAC. Other Sulfaquents that have a histic epipedon.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBAD": [
    {
      "content": "LBAD. Other Sulfaquents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LBAE": [
    {
      "content": "LBAE. Other Sulfaquents that meet one or both of the following:",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBAF": [
    {
      "content": "LBAF. Other Sulfaquents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LBAG": [
    {
      "content": "LBAG. Other Sulfaquents.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfaquents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquents",
      "crit": "LBAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDA": [
    {
      "content": "LDA. Fluvents that that have a gelic soil temperature regime.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelifluvents, p. 171",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDB": [
    {
      "content": "LDB. Other Fluvents that have a cryic soil temperature regime.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryofluvents, p. 170",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDC": [
    {
      "content": "LDC. Other Fluvents that have a xeric soil moisture regime.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerofluvents, p. 175",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDD": [
    {
      "content": "LDD. Other Fluvents that have an ustic soil moisture regime.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustifluvents, p. 173",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDE": [
    {
      "content": "LDE. Other Fluvents that have an aridic (or torric) soil moisture regime.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torrifluvents, p. 171",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDF": [
    {
      "content": "LDF. Other Fluvents.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udifluvents, p. 172",
      "chapter": 8,
      "page": 170,
      "key": "Key to Great Groups",
      "taxa": "Fluvents",
      "crit": "LDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDBA": [
    {
      "content": "LDBA. Cryofluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and percent aluminum plus 1 /2 the iron percentage (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Cryofluvents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDBB": [
    {
      "content": "LDBB. Other Cryofluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Cryofluvents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDBC": [
    {
      "content": "LDBC. Other Cryofluvents that have, in one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Cryofluvents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDBD": [
    {
      "content": "LDBD. Other Cryofluvents that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Cryofluvents",
      "chapter": 8,
      "page": 170,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDBE": [
    {
      "content": "LDBE. Other Cryofluvents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Cryofluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDBF": [
    {
      "content": "LDBF. Other Cryofluvents.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryofluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Cryofluvents",
      "crit": "LDBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDAA": [
    {
      "content": "LDAA. Gelifluvents that have, in one or more horizons within 100 cm of the mineral soil surface, both redox depletions with chroma of 2 or less and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Gelifluvents",
      "crit": "LDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Gelifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Gelifluvents",
      "crit": "LDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDAB": [
    {
      "content": "LDAB. Other Gelifluvents.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Gelifluvents",
      "crit": "LDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gelifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Gelifluvents",
      "crit": "LDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDEA": [
    {
      "content": "LDEA. Torrifluvents that have:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. An aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Ustertic Torrifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LDEB": [
    {
      "content": "LDEB. Other Torrifluvents that have one or both of the following:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Torrifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDEC": [
    {
      "content": "LDEC. Other Torrifluvents that have:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Torrifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "LDED": [
    {
      "content": "LDED. Other Torrifluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Torrifluvents",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDED",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDEE": [
    {
      "content": "LDEE. Other Torrifluvents that have, in one or more horizons within 100 cm of the soil surface, both redox depletions with chroma of 2 or less and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 171,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDEF": [
    {
      "content": "LDEF. Other Torrifluvents that are saturated with water in one or more layers within 150 cm of the soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDEG": [
    {
      "content": "LDEG. Other Torrifluvents that have:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist; and",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Duric Xeric Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LDEH": [
    {
      "content": "LDEH. Other Torrifluvents that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDEI": [
    {
      "content": "LDEI. Other Torrifluvents that have both:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustic Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDEJ": [
    {
      "content": "LDEJ. Other Torrifluvents that have both:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDEK": [
    {
      "content": "LDEK. Other Torrifluvents that have an anthropic epipedon.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthropic Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDEL": [
    {
      "content": "LDEL. Other Torrifluvents.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Torrifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Torrifluvents",
      "crit": "LDEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDFA": [
    {
      "content": "LDFA. Udifluvents that have both:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Either or both of the following:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. In one or more horizons within 100 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "or (2) Hue of 5GY, 5G, 5BG, or 5B and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aquertic Udifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFA",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "LDFB": [
    {
      "content": "LDFB. Other Udifluvents that have one or both of the following:",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Udifluvents",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDFC": [
    {
      "content": "LDFC. Other Udifluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 8,
      "page": 172,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDFD": [
    {
      "content": "LDFD. Other Udifluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDFE": [
    {
      "content": "LDFE. Other Udifluvents that have either:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In one or more horizons within 100 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 5GY, 5G, 5BG, or 5B and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDFF": [
    {
      "content": "LDFF. Other Udifluvents that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDFG": [
    {
      "content": "LDFG. Other Udifluvents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDFH": [
    {
      "content": "LDFH. Other Udifluvents.",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Udifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Udifluvents",
      "crit": "LDFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDDA": [
    {
      "content": "LDDA. Ustifluvents that have both:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Either or both of the following:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. In one or more horizons within 150 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "or (2) Hue of 5GY, 5G, 5BG, or 5B and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aquertic Ustifluvents",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDA",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "LDDB": [
    {
      "content": "LDDB. Other Ustifluvents that that have both of the following:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 8,
      "page": 173,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Torrertic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "LDDC": [
    {
      "content": "LDDC. Other Ustifluvents that have one or both of the following:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDDD": [
    {
      "content": "LDDD. Other Ustifluvents that have anthraquic conditions.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDDE": [
    {
      "content": "LDDE. Other Ustifluvents that have either:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In one or more horizons within 150 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 5GY, 5G, 5BG, or 5B and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDDF": [
    {
      "content": "LDDF. Other Ustifluvents that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDDG": [
    {
      "content": "LDDG. Other Ustifluvents that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four- tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 180 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aridic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LDDH": [
    {
      "content": "LDDH. Other Ustifluvents that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in some or all parts for less than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDH",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Udic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDH",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LDDI": [
    {
      "content": "LDDI. Other Ustifluvents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Ustifluvents",
      "chapter": 8,
      "page": 174,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDDJ": [
    {
      "content": "LDDJ. Other Ustifluvents.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ustifluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Ustifluvents",
      "crit": "LDDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDCA": [
    {
      "content": "LDCA. Xerofluvents that have one or both of the following:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDCB": [
    {
      "content": "LDCB. Other Xerofluvents that have:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In one or more horizons within 150 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue bluer than 10Y and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aquandic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCB",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "LDCC": [
    {
      "content": "LDCC. Other Xerofluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDCD": [
    {
      "content": "LDCD. Other Xerofluvents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LDCE": [
    {
      "content": "LDCE. Other Xerofluvents that have either:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In one or more horizons within 150 cm of the mineral soil surface, a color value, moist, of 4 or more and either:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Neutral colors with no hue (N) and zero chroma; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 5GY, 5G, 5BG, or 5B; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Aquic conditions for some time in normal years.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LDCF": [
    {
      "content": "LDCF. Other Xerofluvents that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LDCG": [
    {
      "content": "LDCG. Other Xerofluvents that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Xerofluvents",
      "chapter": 8,
      "page": 175,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDCH": [
    {
      "content": "LDCH. Other Xerofluvents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Xerofluvents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LDCI": [
    {
      "content": "LDCI. Other Xerofluvents.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Xerofluvents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Xerofluvents",
      "crit": "LDCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEA": [
    {
      "content": "LEA. Orthents that have a gelic soil temperature regime.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelorthents, p. 176",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEB": [
    {
      "content": "LEB. Other Orthents that have a cryic soil temperature regime.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryorthents, p. 176",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEC": [
    {
      "content": "LEC. Other Orthents that have an aridic (or torric) soil moisture regime.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torriorthents, p. 176",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LED": [
    {
      "content": "LED. Other Orthents that have a xeric soil moisture regime.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerorthents, p. 181",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEE": [
    {
      "content": "LEE. Other Orthents that have an ustic soil moisture regime.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustorthents, p. 179",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEF": [
    {
      "content": "LEF. Other Orthents.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udorthents, p. 178",
      "chapter": 8,
      "page": 176,
      "key": "Key to Great Groups",
      "taxa": "Orthents",
      "crit": "LEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEBA": [
    {
      "content": "LEBA. Cryorthents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEBB": [
    {
      "content": "LEBB. Other Cryorthents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LEBC": [
    {
      "content": "LEBC. Other Cryorthents that have, in one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEBD": [
    {
      "content": "LEBD. Other Cryorthents that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEBE": [
    {
      "content": "LEBE. Other Cryorthents that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEBF": [
    {
      "content": "LEBF. Other Cryorthents.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Cryorthents",
      "crit": "LEBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEAA": [
    {
      "content": "LEAA. Gelorthents that have, in one or more horizons within 100 cm of the mineral soil surface, both redox depletions with chroma of 2 or less and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Gelorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEAB": [
    {
      "content": "LEAB. Other Gelorthents that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Gelorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEAC": [
    {
      "content": "LEAC. Other Gelorthents.",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gelorthents",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Gelorthents",
      "crit": "LEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LECA": [
    {
      "content": "LECA. Torriorthents that have all of the following:",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 176,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A hyperthermic, thermic, mesic, frigid, or iso soil temperature regime and an aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Lithic Ustic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LECB": [
    {
      "content": "LECB. Other Torriorthents that have all of the following:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the soil surface; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Lithic Xeric Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LECC": [
    {
      "content": "LECC. Other Torriorthents that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LECD": [
    {
      "content": "LECD. Other Torriorthents that have:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Xerertic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LECE": [
    {
      "content": "LECE. Other Torriorthents that have:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. An aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Ustertic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LECF": [
    {
      "content": "LECF. Other Torriorthents that have one or both of the following:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the soil surface; or",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LECG": [
    {
      "content": "LECG. Other Torriorthents that have 50 cm or more of human-altered material.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraltic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LECH": [
    {
      "content": "LECH. Other Torriorthents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LECI": [
    {
      "content": "LECI. Other Torriorthents that have, in one or more horizons within 100 cm of the soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Torriorthents",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LECJ": [
    {
      "content": "LECJ. Other Torriorthents that are saturated with water in one or more layers within 150 cm of the soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 177,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Torriorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LECK": [
    {
      "content": "LECK. Other Torriorthents that have a horizon within 100 cm of the soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Torriorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LECL": [
    {
      "content": "LECL. Other Torriorthents that have both:",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A hyperthermic, thermic, mesic, frigid, or iso soil temperature regime and an aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustic Torriorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LECM": [
    {
      "content": "LECM. Other Torriorthents that have both:",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Torriorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LECN": [
    {
      "content": "LECN. Other Torriorthents.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Torriorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Torriorthents",
      "crit": "LECN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFA": [
    {
      "content": "LEFA. Udorthents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFB": [
    {
      "content": "LEFB. Other Udorthents that have both of the following:",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A densic contact due to mechanical compaction in more than 90 percent of the pedon (measured laterally) within 100 cm of the soil surface; and",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) in a horizon at least 25 cm thick within 100 cm of the soil surface.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Anthrodensic Sodic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEFC": [
    {
      "content": "LEFC. Other Udorthents that have a densic contact due to mechanical compaction in more than 90 percent of the pedon (measured laterally) within 100 cm of the soil surface.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthrodensic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFD": [
    {
      "content": "LEFD. Other Udorthents that have an anthropic epipedon.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthropic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFE": [
    {
      "content": "LEFE. Other Udorthents that have 50 cm or more of human- transported material.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthroportic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFF": [
    {
      "content": "LEFF. Other Udorthents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LEFG": [
    {
      "content": "LEFG. Other Udorthents that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFH": [
    {
      "content": "LEFH. Other Udorthents that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEFI": [
    {
      "content": "LEFI. Other Udorthents that have 50 percent or more (by volume) wormholes, wormcasts, and filled animal burrows between either the Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 100 cm or a densic, lithic, paralithic, or petroferric contact, whichever is shallower.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEFJ": [
    {
      "content": "LEFJ. Other Udorthents.",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Udorthents",
      "chapter": 8,
      "page": 178,
      "key": "Key to Subgroups",
      "taxa": "Udorthents",
      "crit": "LEFJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEA": [
    {
      "content": "LEEA. Ustorthents that have both:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LEEB": [
    {
      "content": "LEEB. Other Ustorthents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEC": [
    {
      "content": "LEEC. Other Ustorthents that have both:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Torrertic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "LEED": [
    {
      "content": "LEED. Other Ustorthents that have one or both of the following:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEEE": [
    {
      "content": "LEEE. Other Ustorthents that have anthraquic conditions.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEF": [
    {
      "content": "LEEF. Other Ustorthents that have a densic contact due to mechanical compaction in more than 90 percent of the pedon (measured laterally) within 100 cm of the soil surface.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthrodensic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEG": [
    {
      "content": "LEEG. Other Ustorthents that have 50 cm or more of human- transported material.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthroportic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEH": [
    {
      "content": "LEEH. Other Ustorthents that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEI": [
    {
      "content": "LEEI. Other Ustorthents that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Ustorthents",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEEJ": [
    {
      "content": "LEEJ. Other Ustorthents that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 179,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEK": [
    {
      "content": "LEEK. Other Ustorthents that have both:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and 2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEK",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "LEEL": [
    {
      "content": "LEEL. Other Ustorthents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEL",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LEEM": [
    {
      "content": "LEEM. Other Ustorthents that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEM",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four- tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEM",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aridic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEM",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LEEN": [
    {
      "content": "LEEN. Other Ustorthents that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in some or all parts for less than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is dry in some or all parts for less than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEN",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Udic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEN",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LEEO": [
    {
      "content": "LEEO. Other Ustorthents that have 50 percent or more (by volume) wormholes, wormcasts, and filled animal burrows between either the Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 100 cm or a densic, lithic, paralithic, or petroferric contact, whichever is shallower.",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Ustorthents",
      "chapter": 8,
      "page": 180,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEEP": [
    {
      "content": "LEEP. Other Ustorthents.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ustorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Ustorthents",
      "crit": "LEEP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDA": [
    {
      "content": "LEDA. Xerorthents that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDB": [
    {
      "content": "LEDB. Other Xerorthents that have both of the following:",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 50 cm or more of human-altered material; and",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) in a horizon at least 25 cm thick within 100 cm of the soil surface.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Anthraltic Sodic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEDC": [
    {
      "content": "LEDC. Other Xerorthents that have 50 cm or more of human- altered material.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraltic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDD": [
    {
      "content": "LEDD. Other Xerorthents that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "LEDE": [
    {
      "content": "LEDE. Other Xerorthents that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDF": [
    {
      "content": "LEDF. Other Xerorthents that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LEDG": [
    {
      "content": "LEDG. Other Xerorthents that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDH": [
    {
      "content": "LEDH. Other Xerorthents that have a base saturation (by NH4 OAc) of less than 60 percent in all horizons at a depth between 25 and 75 cm below the mineral soil surface or in the horizon directly above a root-limiting layer (defined in chapter 17) that is at a shallower depth.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystric Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LEDI": [
    {
      "content": "LEDI. Other Xerorthents.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Xerorthents",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Xerorthents",
      "crit": "LEDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCA": [
    {
      "content": "LCA. Psamments that have a cryic soil temperature regime.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryopsamments, p. 181",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCB": [
    {
      "content": "LCB. Other Psamments that have an aridic (or torric) soil moisture regime.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torripsamments, p. 183",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCC": [
    {
      "content": "LCC. Other Psamments that have, in the 0.02 to 2.0 mm fraction within the particle-size control section, a total of more than 90 percent (by weighted average) resistant minerals.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Quartzipsamments, p. 182",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCD": [
    {
      "content": "LCD. Other Psamments that have an ustic soil moisture regime.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustipsamments, p. 184",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCE": [
    {
      "content": "LCE. Other Psamments that have a xeric soil moisture regime.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeropsamments, p. 185",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCF": [
    {
      "content": "LCF. Other Psamments.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udipsamments, p. 183",
      "chapter": 8,
      "page": 181,
      "key": "Key to Great Groups",
      "taxa": "Psamments",
      "crit": "LCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCAA": [
    {
      "content": "LCAA. Cryopsamments that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryopsamments",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCAB": [
    {
      "content": "LCAB. Other Cryopsamments that have, in one or more horizons within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 181,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCAC": [
    {
      "content": "LCAC. Other Cryopsamments that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCAD": [
    {
      "content": "LCAD. Other Cryopsamments that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction containing 5 percent or more volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitrandic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCAE": [
    {
      "content": "LCAE. Other Cryopsamments that have a horizon 5 cm or more thick that meets one or more of the following:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Has Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Has an ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCAF": [
    {
      "content": "LCAF. Other Cryopsamments that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCAG": [
    {
      "content": "LCAG. Other Cryopsamments.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryopsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Cryopsamments",
      "crit": "LCAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCA": [
    {
      "content": "LCCA. Quartzipsamments that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCB": [
    {
      "content": "LCCB. Other Quartzipsamments that have both:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon, 5 cm or more thick, either below an Ap horizon or at a depth of 18 cm or more from the mineral soil surface, whichever is deeper, that meets one or more of the following:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Has Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Has an ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquodic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCB",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "LCCC": [
    {
      "content": "LCCC. Other Quartzipsamments that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCD": [
    {
      "content": "LCCD. Other Quartzipsamments that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCCE": [
    {
      "content": "LCCE. Other Quartzipsamments that meet all of the following:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have an ustic soil moisture regime; and",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a clay fraction with a CEC of 16 cmol(+) or less per kg clay (by 1N NH4 OAc pH 7); and",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. The sum of the weighted average silt plus 2 times the weighted average clay (both by weight) is more than 5.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Ustoxic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCCF": [
    {
      "content": "LCCF. Other Quartzipsamments that meet all of the following:",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a udic soil moisture regime; and",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a clay fraction with a CEC of 16 cmol(+) or less per kg clay (by 1N NH4 OAc pH 7); and",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. The sum of the weighted average silt plus 2 times the weighted average clay (both by weight) is more than 5.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Udoxic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCF",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCCG": [
    {
      "content": "LCCG. Other Quartzipsamments that have 5 percent or more (by volume) plinthite in one or more horizons within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Quartzipsamments",
      "chapter": 8,
      "page": 182,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCH": [
    {
      "content": "LCCH. Other Quartzipsamments that have both:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Lamellae within 200 cm of the mineral soil surface; and",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An ustic soil moisture regime.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lamellic Ustic Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCCI": [
    {
      "content": "LCCI. Other Quartzipsamments that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCJ": [
    {
      "content": "LCCJ. Other Quartzipsamments that have an ustic soil moisture regime.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCK": [
    {
      "content": "LCCK. Other Quartzipsamments that have a xeric soil moisture regime.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCCL": [
    {
      "content": "LCCL. Other Quartzipsamments that have a horizon, 5 cm or more thick, either below an Ap horizon or at a depth of 18 cm or more from the mineral soil surface, whichever is deeper, that meets one or more of the following:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Has Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Has an ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCL",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCL",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCCM": [
    {
      "content": "LCCM. Other Quartzipsamments.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Quartzipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Quartzipsamments",
      "crit": "LCCM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCBA": [
    {
      "content": "LCBA. Torripsamments that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCBB": [
    {
      "content": "LCBB. Other Torripsamments that are saturated with water in one or more layers within 150 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCBC": [
    {
      "content": "LCBC. Other Torripsamments that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction containing 5 percent or more volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitrandic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCBD": [
    {
      "content": "LCBD. Other Torripsamments that have a horizon within 100 cm of the soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploduridic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCBE": [
    {
      "content": "LCBE. Other Torripsamments that have both:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An aridic (or torric) soil moisture regime that borders on ustic.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCBF": [
    {
      "content": "LCBF. Other Torripsamments that have both:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that, in normal years, is dry in all parts for less than three-fourths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is 5 o C or higher; and",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A thermic, mesic, or frigid soil temperature regime and an aridic (or torric) soil moisture regime that borders on xeric.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCBG": [
    {
      "content": "LCBG. Other Torripsamments that have, in all horizons from a depth of 25 to 100 cm, more than 50 percent colors that have all of the following:",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less; and",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCBH": [
    {
      "content": "LCBH. Other Torripsamments.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Torripsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Torripsamments",
      "crit": "LCBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCFA": [
    {
      "content": "LCFA. Udipsamments that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Udipsamments",
      "chapter": 8,
      "page": 183,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCFB": [
    {
      "content": "LCFB. Other Udipsamments that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCFC": [
    {
      "content": "LCFC. Other Udipsamments that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCFD": [
    {
      "content": "LCFD. Other Udipsamments that have a horizon, 5 cm or more thick, either below an Ap horizon or at a depth of 18 cm or more from the mineral soil surface, whichever is deeper, that meets one or more of the following:",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Has Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Has an ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCFE": [
    {
      "content": "LCFE. Other Udipsamments that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCFF": [
    {
      "content": "LCFF. Other Udipsamments that have a surface horizon between 25 and 50 cm thick that meets all of the requirements for a plaggen epipedon except thickness.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploplaggic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCFG": [
    {
      "content": "LCFG. Other Udipsamments.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Udipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Udipsamments",
      "crit": "LCFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCDA": [
    {
      "content": "LCDA. Ustipsamments that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCDB": [
    {
      "content": "LCDB. Other Ustipsamments that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCDC": [
    {
      "content": "LCDC. Other Ustipsamments that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCDD": [
    {
      "content": "LCDD. Other Ustipsamments that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that, in normal years, is dry in all parts for four- tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years, is moist in some or all parts for less than 180 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aridic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCDE": [
    {
      "content": "LCDE. Other Ustipsamments that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCDF": [
    {
      "content": "LCDF. Other Ustipsamments that have, in all horizons from a depth of 25 to 100 cm, more than 50 percent colors that have all of the following:",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A color value, moist, of 3 or less; and",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDF",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "LCDG": [
    {
      "content": "LCDG. Other Ustipsamments.",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ustipsamments",
      "chapter": 8,
      "page": 184,
      "key": "Key to Subgroups",
      "taxa": "Ustipsamments",
      "crit": "LCDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEA": [
    {
      "content": "LCEA. Xeropsamments that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEB": [
    {
      "content": "LCEB. Other Xeropsamments that have both:",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Durinodic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCEC": [
    {
      "content": "LCEC. Other Xeropsamments that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCED": [
    {
      "content": "LCED. Other Xeropsammets that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LCEE": [
    {
      "content": "LCEE. Other Xeropsamments that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction containing 5 percent or more volcanic glass, and [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is 30 or more.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vitrandic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEF": [
    {
      "content": "LCEF. Other Xeropsamments that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durinodic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEG": [
    {
      "content": "LCEG. Other Xeropsamments that have lamellae within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEH": [
    {
      "content": "LCEH. Other Xeropsamments that have a base saturation (by NH4 OAc) of less than 60 percent in all horizons at a depth between 25 and 75 cm below the mineral soil surface or in the horizon directly above a root-limiting layer (defined in chapter 17) that is at a shallower depth.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystric Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LCEI": [
    {
      "content": "LCEI. Other Xeropsamments.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Xeropsamments",
      "chapter": 8,
      "page": 185,
      "key": "Key to Subgroups",
      "taxa": "Xeropsamments",
      "crit": "LCEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAA": [
    {
      "content": "LAA. Wassents that have, in all horizons within 100 cm of the mineral soil surface, an electrical conductivity of less than 0.6 dS/m in a 1:5 (soil:water), by volume, supernatant (not extract).",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Frasiwassents, p. 186",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAB": [
    {
      "content": "LAB. Other Wassents that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammowassents, p. 187",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAC": [
    {
      "content": "LAC. Other Wassents that have a horizon or horizons with a combined thickness of at least 15 cm within 50 cm of the mineral soil surface that contain sulfidic materials.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfiwassents, p. 188",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAD": [
    {
      "content": "LAD. Other Wassents that have, in all horizons at a depth between 20 and 50 cm below the mineral soil surface, both an n value of more than 0.7 or a fluidity class of slighty fluid or higher and 8 percent or more clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydrowassents, p. 187",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAE": [
    {
      "content": "LAE. Other Wassents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluviwassents, p. 186",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "LAF": [
    {
      "content": "LAF. Other Wassents.",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplowassents, p. 187",
      "chapter": 8,
      "page": 185,
      "key": "Key to Great Groups",
      "taxa": "Wassents",
      "crit": "LAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAEA": [
    {
      "content": "LAEA. Fluviwassents that have a horizon or horizons with a combined thickness of at least 15 cm within 100 cm of the mineral soil surface that contain sulfidic materials.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAEB": [
    {
      "content": "LAEB. Other Fluviwassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAEC": [
    {
      "content": "LAEC. Other Fluviwassents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAED": [
    {
      "content": "LAED. Other Fluviwassents that meet one or both of the following:",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LAEE": [
    {
      "content": "LAEE. Other Fluviwassents that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons between a depth of 15 and 100 cm from the soil surface.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAEF": [
    {
      "content": "LAEF. Other Fluviwassents.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fluviwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Fluviwassents",
      "crit": "LAEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAA": [
    {
      "content": "LAAA. Frasiwassents that have both:",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 20 and 50 cm below the mineral soil surface, both an n value of more than 0.7 or a fluidity class slightly fluid or higher and 8 percent or more clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Fluic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LAAB": [
    {
      "content": "LAAB. Other Frasiwassents that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAC": [
    {
      "content": "LAAC. Other Frasiwassents that have, in all horizons at a depth between 20 and 50 cm below the mineral soil surface, both an n value of more than 0.7 or a fluidity class of slightly fluid or higher and 8 percent or more clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fluic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAD": [
    {
      "content": "LAAD. Other Frasiwassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAE": [
    {
      "content": "LAAE. Other Frasiwassents that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAF": [
    {
      "content": "LAAF. Other Frasiwassents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAG": [
    {
      "content": "LAAG. Other Frasiwassents that meet one or both of the following:",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LAAH": [
    {
      "content": "LAAH. Other Frasiwassents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Frasiwassents",
      "chapter": 8,
      "page": 186,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LAAI": [
    {
      "content": "LAAI. Other Frasiwassents that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons between a depth of 15 and 100 cm from the soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Frasiwassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAAJ": [
    {
      "content": "LAAJ. Other Frasiwassents.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Frasiwassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassents",
      "crit": "LAAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAFA": [
    {
      "content": "LAFA. Haplowassents that have a horizon or horizons with a combined thickness of at least 15 cm within 100 cm of the mineral soil surface that contain sulfidic materials.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Haplowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAFB": [
    {
      "content": "LAFB. Other Haplowassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAFC": [
    {
      "content": "LAFC. Other Haplowassents that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons between a depth of 15 and 100 cm from the soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Haplowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LAFD": [
    {
      "content": "LAFD. Other Haplowassents.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Haplowassents",
      "crit": "LAFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LADA": [
    {
      "content": "LADA. Hydrowassents that have a horizon or horizons with a combined thickness of at least 15 cm within 100 cm of the mineral soil surface that contain sulfidic materials.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LADB": [
    {
      "content": "LADB. Other Hydrowassents that have, in all horizons at a depth between 20 and 100 cm below the mineral soil surface, both an n value of more than 0.7 or a fluidity class of slightly fluid or higher and 8 percent or more clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LADC": [
    {
      "content": "LADC. Other Hydrowassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LADD": [
    {
      "content": "LADD. Other Hydrowassents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LADE": [
    {
      "content": "LADE. Other Hydrowassents that meet one or both of the following:",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LADF": [
    {
      "content": "LADF. Other Hydrowassents.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hydrowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Hydrowassents",
      "crit": "LADF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LABA": [
    {
      "content": "LABA. Psammowassents that have a horizon or horizons with a combined thickness of at least 15 cm within 100 cm of the mineral soil surface that contain sulfidic materials.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Psammowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LABB": [
    {
      "content": "LABB. Other Psammowassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Psammowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LABC": [
    {
      "content": "LABC. Other Psammowassents that meet one or both of the following:",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Psammowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LABD": [
    {
      "content": "LABD. Other Psammowassents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Psammowassents",
      "chapter": 8,
      "page": 187,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LABE": [
    {
      "content": "LABE. Other Psammowassents that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons between a depth of 15 and 100 cm from the soil surface.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Psammowassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LABF": [
    {
      "content": "LABF. Other Psammowassents.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Psammowassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Psammowassents",
      "crit": "LABF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LACA": [
    {
      "content": "LACA. Sulfiwassents that have a lithic contact within 100 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LACB": [
    {
      "content": "LACB. Other Sulfiwassents that have, in some horizons at a depth between 20 and 50 cm below the mineral soil surface, either or both:",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An n value of 0.7 or less or a fluidity class of nonfluid; or",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. Less than 8 percent clay in the fine-earth fraction.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LACC": [
    {
      "content": "LACC. Other Sulfiwassents that have a buried layer of organic soil materials, 40 cm or more thick, within 200 cm of the mineral soil surface.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LACD": [
    {
      "content": "LACD. Other Sulfiwassents that meet one or both of the following:",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LACE": [
    {
      "content": "LACE. Other Sulfiwassents that have a total thickness of less than 50 cm of human-transported material in the surface horizons and one or both of the following:",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluventic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "LACF": [
    {
      "content": "LACF. Other Sulfiwassents that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons between a depth of 15 and 100 cm from the soil surface.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "LACG": [
    {
      "content": "LACG. Other Sulfiwassents.",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfiwassents",
      "chapter": 8,
      "page": 188,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassents",
      "crit": "LACG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AA": [
    {
      "content": "AA. Gelisols that have organic soil materials that meet one or more of the following:",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Overlie cindery, fragmental, or pumiceous materials and/or fill their interstices and directly below these materials have either a densic, lithic, or paralithic contact; or",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. When added with the underlying cindery, fragmental, or pumiceous materials, total 40 cm or more between the soil surface and a depth of 50 cm; or",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Comprise 80 percent or more, by volume, from the soil surface to a depth of 50 cm or to a glacic layer or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Histels* , p. 189",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AA",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "AB": [
    {
      "content": "AB. Other Gelisols that have one or more horizons showing cryoturbation in the form of irregular, broken, or distorted horizon boundaries, involutions, the accumulation of organic matter on top of the permafrost, ice or sand wedges, and oriented rock fragments.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbels, p. 195",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AC": [
    {
      "content": "AC. Other Gelisols.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Orthels, p. 191",
      "chapter": 9,
      "page": 189,
      "key": "Key to Suborders",
      "taxa": "Gelisols",
      "crit": "AC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAA": [
    {
      "content": "AAA. Histels that are saturated with water for less than 30 cumulative days during normal years (and are not artificially drained).",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistels, p. 190",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAB": [
    {
      "content": "AAB. Other Histels that are saturated with water for 30 or more cumulative days during normal years and that have both:",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glacic layer within 100 cm of the soil surface; and",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Less than three-fourths (by volume) Sphagnum fibers in the organic soil material to a depth of 50 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Glacistels, p. 190",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "AAC": [
    {
      "content": "AAC. Other Histels that have a greater thickness of fibric soil materials than any other kind of organic soil material to a depth of 50 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fibristels, p. 189",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAD": [
    {
      "content": "AAD. Other Histels that have a greater thickness of hemic soil materials than any other kind of organic soil material to a depth of 50 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemistels, p. 190",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAE": [
    {
      "content": "AAE. Other Histels.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sapristels, p. 190",
      "chapter": 9,
      "page": 189,
      "key": "Key to Great Groups",
      "taxa": "Histels",
      "crit": "AAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AACA": [
    {
      "content": "AACA. Fibristels that have a lithic contact within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Fibristels",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AACB": [
    {
      "content": "AACB. Other Fibristels that have a layer of mineral soil material 30 cm or more thick within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Fibristels",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AACC": [
    {
      "content": "AACC. Other Fibristels that meet one of the following:",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Fibristels",
      "chapter": 9,
      "page": 189,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AACD": [
    {
      "content": "AACD. Other Fibristels that meet both of the following:",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of any thickness within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Fibristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AACE": [
    {
      "content": "AACE. Other Fibristels in which three-fourths or more (by volume) of the fibric soil materials are derived from Sphagnum to a depth of 50 cm or to a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sphagnic Fibristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AACF": [
    {
      "content": "AACF. Other Fibristels.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fibristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Fibristels",
      "crit": "AACF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAAA": [
    {
      "content": "AAAA. Folistels that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Folistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAAB": [
    {
      "content": "AAAB. Other Folistels that have a glacic layer within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Folistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAAC": [
    {
      "content": "AAAC. Other Folistels.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Folistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Folistels",
      "crit": "AAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AABA": [
    {
      "content": "AABA. Glacistels that have a greater thickness of hemic soil materials than any other kind of organic soil material in the upper 50 cm.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemic Glacistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AABB": [
    {
      "content": "AABB. Other Glacistels that have a greater thickness of sapric soil materials than any other kind of organic soil material in the upper 50 cm.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sapric Glacistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AABC": [
    {
      "content": "AABC. Other Glacistels.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Glacistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Glacistels",
      "crit": "AABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AADA": [
    {
      "content": "AADA. Hemistels that have a lithic contact within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AADB": [
    {
      "content": "AADB. Other Hemistels that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AADC": [
    {
      "content": "AADC. Other Hemistels that have a layer of mineral soil material 30 cm or more thick within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AADD": [
    {
      "content": "AADD. Other Hemistels that meet one or both of the following:",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AADE": [
    {
      "content": "AADE. Other Hemistels that meet both of the following:",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of any thickness within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AADF": [
    {
      "content": "AADF. Other Hemistels.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hemistels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Hemistels",
      "crit": "AADF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAEA": [
    {
      "content": "AAEA. Sapristels that have a lithic contact within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sapristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAEB": [
    {
      "content": "AAEB. Other Sapristels that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Sapristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAEC": [
    {
      "content": "AAEC. Other Sapristels that have a layer of mineral soil material 30 cm or more thick within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Sapristels",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "AAED": [
    {
      "content": "AAED. Other Sapristels that meet one or both of the following:",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 190,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Sapristels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AAEE": [
    {
      "content": "AAEE. Other Sapristels that meet both of the following:",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of any thickness within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Sapristels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "AAEF": [
    {
      "content": "AAEF. Other Sapristels.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sapristels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Sapristels",
      "crit": "AAEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACA": [
    {
      "content": "ACA. Orthels that have a histic epipedon.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Historthels, p. 193",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACB": [
    {
      "content": "ACB. Other Orthels that have, within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquorthels, p. 191",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACC": [
    {
      "content": "ACC. Other Orthels that have anhydrous conditions.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anhyorthels, p. 191",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACD": [
    {
      "content": "ACD. Other Orthels that have a mollic epipedon.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollorthels, p. 194",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACE": [
    {
      "content": "ACE. Other Orthels that have an umbric epipedon.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbrorthels, p. 195",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACF": [
    {
      "content": "ACF. Other Orthels that have an argillic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiorthels, p. 192",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACG": [
    {
      "content": "ACG. Other Orthels that have, below the Ap horizon or below a depth of 25 cm, whichever is deeper, less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammorthels, p. 194",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACH": [
    {
      "content": "ACH. Other Orthels.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplorthels, p. 192",
      "chapter": 9,
      "page": 191,
      "key": "Key to Great Groups",
      "taxa": "Orthels",
      "crit": "ACH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCA": [
    {
      "content": "ACCA. Anhyorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCB": [
    {
      "content": "ACCB. Other Anhyorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCC": [
    {
      "content": "ACCC. Other Anhyorthels that have a petrogypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCD": [
    {
      "content": "ACCD. Other Anhyorthels that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCE": [
    {
      "content": "ACCE. Other Anhyorthels that have both of the following:",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon 15 cm or more thick that has a nitrate concentration of 118 mmol(-)/L or more in a 1:5 soil:water extract; and",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. The product of horizon thickness (in cm) times nitrate concentration [in mmol(-)/L] is 3,500 or more.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Nitric Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACCF": [
    {
      "content": "ACCF. Other Anhyorthels that have a salic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCG": [
    {
      "content": "ACCG. Other Anhyorthels that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACCH": [
    {
      "content": "ACCH. Other Anhyorthels.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Anhyorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Anhyorthels",
      "crit": "ACCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBA": [
    {
      "content": "ACBA. Aquorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Aquorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBB": [
    {
      "content": "ACBB. Other Aquorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Aquorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBC": [
    {
      "content": "ACBC. Other Aquorthels that have a sulfuric horizon or sulfidic materials within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfuric Aquorthels",
      "chapter": 9,
      "page": 191,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBD": [
    {
      "content": "ACBD. Other Aquorthels that have either:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Organic soil materials that are discontinuous at the surface; or",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Organic soil materials at the surface that change in thickness fourfold or more within a pedon.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ruptic-Histic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACBE": [
    {
      "content": "ACBE. Other Aquorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBF": [
    {
      "content": "ACBF. Other Aquorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ACBG": [
    {
      "content": "ACBG. Other Aquorthels that have a salic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBH": [
    {
      "content": "ACBH. Other Aquorthels that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACBI": [
    {
      "content": "ACBI. Other Aquorthels that meet one or both of the following:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACBJ": [
    {
      "content": "ACBJ. Other Aquorthels that have all of the following:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBJ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "ACBK": [
    {
      "content": "ACBK. Other Aquorthels.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Aquorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Aquorthels",
      "crit": "ACBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACFA": [
    {
      "content": "ACFA. Argiorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argiorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACFB": [
    {
      "content": "ACFB. Other Argiorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Argiorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACFC": [
    {
      "content": "ACFC. Other Argiorthels that have a natric horizon.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Argiorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACFD": [
    {
      "content": "ACFD. Other Argiorthels.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argiorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Argiorthels",
      "crit": "ACFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACHA": [
    {
      "content": "ACHA. Haplorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACHB": [
    {
      "content": "ACHB. Other Haplorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Haplorthels",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACHC": [
    {
      "content": "ACHC. Other Haplorthels that meet one or both of the following:",
      "chapter": 9,
      "page": 192,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACHD": [
    {
      "content": "ACHD. Other Haplorthels that have all of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "ACHE": [
    {
      "content": "ACHE. Other Haplorthels that have a folistic epipedon.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACHF": [
    {
      "content": "ACHF. Other Haplorthels that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACHG": [
    {
      "content": "ACHG. Other Haplorthels that have all of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "ACHH": [
    {
      "content": "ACHH. Other Haplorthels.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplorthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Haplorthels",
      "crit": "ACHH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACAA": [
    {
      "content": "ACAA. Historthels that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Historthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACAB": [
    {
      "content": "ACAB. Other Historthels that have a glacic layer within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Historthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACAC": [
    {
      "content": "ACAC. Other Historthels that meet one or both of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Historthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACAD": [
    {
      "content": "ACAD. Other Historthels that have all of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Historthels",
      "chapter": 9,
      "page": 193,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "ACAE": [
    {
      "content": "ACAE. Other Historthels that have all of the following:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Historthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "ACAF": [
    {
      "content": "ACAF. Other Historthels that have more than 40 percent, by volume, organic soil materials from the soil surface to a depth of 50 cm in 75 percent or less of the pedon.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ruptic Historthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACAG": [
    {
      "content": "ACAG. Other Historthels.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Historthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Historthels",
      "crit": "ACAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDA": [
    {
      "content": "ACDA. Mollorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDB": [
    {
      "content": "ACDB. Other Mollorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDC": [
    {
      "content": "ACDC. Other Mollorthels that have one or both of the following:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time during normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACDD": [
    {
      "content": "ACDD. Other Mollorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDE": [
    {
      "content": "ACDE. Other Mollorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ACDF": [
    {
      "content": "ACDF. Other Mollorthels that have a folistic epipedon.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDG": [
    {
      "content": "ACDG. Other Mollorthels that have both:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick with a texture class finer than loamy fine sand; and",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Cumulic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACDH": [
    {
      "content": "ACDH. Other Mollorthels that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACDI": [
    {
      "content": "ACDI. Other Mollorthels.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Mollorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Mollorthels",
      "crit": "ACDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACGA": [
    {
      "content": "ACGA. Psammorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Psammorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACGB": [
    {
      "content": "ACGB. Other Psammorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Psammorthels",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACGC": [
    {
      "content": "ACGC. Other Psammorthels that have a horizon 5 cm or more thick that has one or more of the following:",
      "chapter": 9,
      "page": 194,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Psammorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "ACGD": [
    {
      "content": "ACGD. Other Psammorthels.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Psammorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Psammorthels",
      "crit": "ACGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEA": [
    {
      "content": "ACEA. Umbrorthels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEB": [
    {
      "content": "ACEB. Other Umbrorthels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEC": [
    {
      "content": "ACEC. Other Umbrorthels that have one or both of the following:",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time during normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACED": [
    {
      "content": "ACED. Other Umbrorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEE": [
    {
      "content": "ACEE. Other Umbrorthels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ACEF": [
    {
      "content": "ACEF. Other Umbrorthels that have a folistic epipedon.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEG": [
    {
      "content": "ACEG. Other Umbrorthels that have both:",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric epipedon that is 40 cm or more thick with a texture class finer than loamy fine sand; and",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Cumulic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ACEH": [
    {
      "content": "ACEH. Other Umbrorthels that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ACEI": [
    {
      "content": "ACEI. Other Umbrorthels.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Umbrorthels",
      "chapter": 9,
      "page": 195,
      "key": "Key to Subgroups",
      "taxa": "Umbrorthels",
      "crit": "ACEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABA": [
    {
      "content": "ABA. Turbels that have, in 30 percent or more of the pedon, more than 40 percent, by volume, organic soil materials from the soil surface to a depth of 50 cm which meet the saturation requirement for a histic epipedon.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histoturbels, p. 196",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABB": [
    {
      "content": "ABB. Other Turbels that have, within 50 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquiturbels, p. 196",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABC": [
    {
      "content": "ABC. Other Turbels that have anhydrous conditions.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anhyturbels, p. 196",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABD": [
    {
      "content": "ABD. Other Turbels that have a mollic epipedon.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Molliturbels, p. 197",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABE": [
    {
      "content": "ABE. Other Turbels that have an umbric epipedon.",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbriturbels, p. 198",
      "chapter": 9,
      "page": 195,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABF": [
    {
      "content": "ABF. Other Turbels that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammoturbels, p. 197",
      "chapter": 9,
      "page": 196,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABG": [
    {
      "content": "ABG. Other Turbels.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploturbels, p. 196",
      "chapter": 9,
      "page": 196,
      "key": "Key to Great Groups",
      "taxa": "Turbels",
      "crit": "ABG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCA": [
    {
      "content": "ABCA. Anhyturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCB": [
    {
      "content": "ABCB. Other Anhyturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCC": [
    {
      "content": "ABCC. Other Anhyturbels that have a petrogypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrogypsic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCD": [
    {
      "content": "ABCD. Other Anhyturbels that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCE": [
    {
      "content": "ABCE. Other Anhyturbels that have both of the following:",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon 15 cm or more thick that has a nitrate concentration of 118 mmol(-)/L or more in a 1:5 soil:water extract; and",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. The product of horizon thickness (in cm) times nitrate concentration [in mmol(-)/L] is 3,500 or more.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Nitric Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABCF": [
    {
      "content": "ABCF. Other Anhyturbels that have a salic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCG": [
    {
      "content": "ABCG. Other Anhyturbels that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABCH": [
    {
      "content": "ABCH. Other Anhyturbels.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Anhyturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Anhyturbels",
      "crit": "ABCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABBA": [
    {
      "content": "ABBA. Aquiturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABBB": [
    {
      "content": "ABBB. Other Aquiturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABBC": [
    {
      "content": "ABBC. Other Aquiturbels that have a sulfuric horizon or sulfidic materials within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfuric Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABBD": [
    {
      "content": "ABBD. Other Aquiturbels that have either:",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Organic soil materials that are discontinuous at the surface; or",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Organic soil materials at the surface that change in thickness fourfold or more within a pedon.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ruptic-Histic Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABBE": [
    {
      "content": "ABBE. Other Aquiturbels that have less than 35 percent (by volume) rock fragments and a texture class of loamy fine sand or coarser in all layers within the particle-size control section.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABBF": [
    {
      "content": "ABBF. Other Aquiturbels.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Aquiturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Aquiturbels",
      "crit": "ABBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABGA": [
    {
      "content": "ABGA. Haploturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABGB": [
    {
      "content": "ABGB. Other Haploturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Haploturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABGC": [
    {
      "content": "ABGC. Other Haploturbels that have a folistic epipedon.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Haploturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABGD": [
    {
      "content": "ABGD. Other Haploturbels that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABGE": [
    {
      "content": "ABGE. Other Haploturbels.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Haploturbels",
      "crit": "ABGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABAA": [
    {
      "content": "ABAA. Histoturbels that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Histoturbels",
      "chapter": 9,
      "page": 196,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABAB": [
    {
      "content": "ABAB. Other Histoturbels that have a glacic layer within 100 cm of the soil surface.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Histoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABAC": [
    {
      "content": "ABAC. Other Histoturbels that have more than 40 percent, by volume, organic soil materials from the soil surface to a depth of 50 cm in 75 percent or less of the pedon.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ruptic Histoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABAD": [
    {
      "content": "ABAD. Other Histoturbels.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Histoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Histoturbels",
      "crit": "ABAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDA": [
    {
      "content": "ABDA. Molliturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDB": [
    {
      "content": "ABDB. Other Molliturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDC": [
    {
      "content": "ABDC. Other Molliturbels that have one or both of the following:",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time during normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABDD": [
    {
      "content": "ABDD. Other Molliturbels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDE": [
    {
      "content": "ABDE. Other Molliturbels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ABDF": [
    {
      "content": "ABDF. Other Molliturbels that have a folistic epipedon.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDG": [
    {
      "content": "ABDG. Other Molliturbels that have both:",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick with a texture class finer than loamy fine sand; and",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Cumulic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABDH": [
    {
      "content": "ABDH. Other Molliturbels that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABDI": [
    {
      "content": "ABDI. Other Molliturbels.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Molliturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Molliturbels",
      "crit": "ABDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABFA": [
    {
      "content": "ABFA. Psammoturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Psammoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABFB": [
    {
      "content": "ABFB. Other Psammoturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Psammoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABFC": [
    {
      "content": "ABFC. Other Psammoturbels that have a horizon 5 cm or more thick that has one or more of the following:",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 25 percent or more of each pedon, is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Psammoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "ABFD": [
    {
      "content": "ABFD. Other Psammoturbels.",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Psammoturbels",
      "chapter": 9,
      "page": 197,
      "key": "Key to Subgroups",
      "taxa": "Psammoturbels",
      "crit": "ABFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEA": [
    {
      "content": "ABEA. Umbriturbels that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEB": [
    {
      "content": "ABEB. Other Umbriturbels that have a glacic layer within 100 cm of the mineral soil surface.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glacic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEC": [
    {
      "content": "ABEC. Other Umbriturbels that have one or both of the following:",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time during normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABED": [
    {
      "content": "ABED. Other Umbriturbels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEE": [
    {
      "content": "ABEE. Other Umbriturbels that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ABEF": [
    {
      "content": "ABEF. Other Umbriturbels that have a folistic epipedon.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEG": [
    {
      "content": "ABEG. Other Umbriturbels that have both:",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric epipedon that is 40 cm or more thick with a texture class finer than loamy fine sand; and",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Cumulic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ABEH": [
    {
      "content": "ABEH. Other Umbriturbels that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time during normal years (or artificial drainage).",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ABEI": [
    {
      "content": "ABEI. Other Umbriturbels.",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Umbriturbels",
      "chapter": 9,
      "page": 198,
      "key": "Key to Subgroups",
      "taxa": "Umbriturbels",
      "crit": "ABEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BA": [
    {
      "content": "BA. Histosols that are saturated with water for less than 30 cumulative days during normal years (and are not artificially drained).",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folists, p. 200",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BB": [
    {
      "content": "BB. Other Histosols that have a field observable water table 2 cm or more above the soil surface for more than 21 hours of each day in all years.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Wassists, p. 203",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BC": [
    {
      "content": "BC. Other Histosols that:",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Meet either of the following:",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers; and",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Do not have a sulfuric horizon within 50 cm of the soil surface; and",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. Do not have sulfidic materials within 100 cm of the soil surface.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fibrists, p. 199",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BC",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "BD": [
    {
      "content": "BD. Other Histosols that meet either of the following:",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Saprists, p. 202",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BD",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "BE": [
    {
      "content": "BE. Other Histosols.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemists, p. 201",
      "chapter": 10,
      "page": 199,
      "key": "Key to Suborders",
      "taxa": "Histosols",
      "crit": "BE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCA": [
    {
      "content": "BCA. Fibrists that have a cryic soil temperature regime.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryofibrists, p. 199",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCB": [
    {
      "content": "BCB. Other Fibrists in which Sphagnum fibers constitute three-fourths or more of the volume to either:",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A depth of 90 cm from the soil surface; or",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. To a densic, lithic, or paralithic contact, fragmental materials, or other mineral soil materials if at a depth of less than 90 cm.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sphagnofibrists, p. 200",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "BCC": [
    {
      "content": "BCC. Other Fibrists.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplofibrists, p. 200",
      "chapter": 10,
      "page": 199,
      "key": "Key to Great Groups",
      "taxa": "Fibrists",
      "crit": "BCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCAA": [
    {
      "content": "BCAA. Cryofibrists that have a layer of water within the control section, below the surface tier.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Cryofibrists",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCAB": [
    {
      "content": "BCAB. Other Cryofibrists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryofibrists",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCAC": [
    {
      "content": "BCAC. Other Cryofibrists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Cryofibrists",
      "chapter": 10,
      "page": 199,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCAD": [
    {
      "content": "BCAD. Other Cryofibrists that meet both of the following:",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Cryofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BCAE": [
    {
      "content": "BCAE. Other Cryofibrists in which three-fourths or more of the fiber volume in the surface tier is derived from Sphagnum.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sphagnic Cryofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCAF": [
    {
      "content": "BCAF. Other Cryofibrists.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Cryofibrists",
      "crit": "BCAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCA": [
    {
      "content": "BCCA. Haplofibrists that have a layer of water within the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCB": [
    {
      "content": "BCCB. Other Haplofibrists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCC": [
    {
      "content": "BCCC. Other Haplofibrists that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCD": [
    {
      "content": "BCCD. Other Haplofibrists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCE": [
    {
      "content": "BCCE. Other Haplofibrists that meet both of the following:",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BCCF": [
    {
      "content": "BCCF. Other Haplofibrists that have one or more layers of hemic and sapric materials with a total thickness of 25 cm or more in the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemic Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCCG": [
    {
      "content": "BCCG. Other Haplofibrists.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Haplofibrists",
      "crit": "BCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBA": [
    {
      "content": "BCBA. Sphagnofibrists that have a layer of water within the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBB": [
    {
      "content": "BCBB. Other Sphagnofibrists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBC": [
    {
      "content": "BCBC. Other Sphagnofibrists that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBD": [
    {
      "content": "BCBD. Other Sphagnofibrists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBE": [
    {
      "content": "BCBE. Other Sphagnofibrists that meet both of the following:",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BCBF": [
    {
      "content": "BCBF. Other Sphagnofibrists that have one or more layers of hemic and sapric materials with a total thickness of 25 cm or more in the control section, below the surface tier.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemic Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BCBG": [
    {
      "content": "BCBG. Other Sphagnofibrists.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sphagnofibrists",
      "chapter": 10,
      "page": 200,
      "key": "Key to Subgroups",
      "taxa": "Sphagnofibrists",
      "crit": "BCBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAA": [
    {
      "content": "BAA. Folists that have a cryic soil temperature regime.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryofolists, p. 201",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAB": [
    {
      "content": "BAB. Other Folists that have an aridic (or torric) soil moisture regime.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torrifolists, p. 201",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAC": [
    {
      "content": "BAC. Other Folists that have an ustic or xeric soil moisture regime.",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustifolists, p. 201",
      "chapter": 10,
      "page": 200,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAD": [
    {
      "content": "BAD. Other Folists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udifolists, p. 201",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Folists",
      "crit": "BAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAAA": [
    {
      "content": "BAAA. Cryofolists that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryofolists",
      "crit": "BAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryofolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryofolists",
      "crit": "BAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BAAB": [
    {
      "content": "BAAB. Other Cryofolists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryofolists",
      "crit": "BAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryofolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryofolists",
      "crit": "BAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BABA": [
    {
      "content": "BABA. Torrifolists that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Torrifolists",
      "crit": "BABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Torrifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Torrifolists",
      "crit": "BABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BABB": [
    {
      "content": "BABB. Other Torrifolists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Torrifolists",
      "crit": "BABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Torrifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Torrifolists",
      "crit": "BABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BADA": [
    {
      "content": "BADA. Udifolists that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Udifolists",
      "crit": "BADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Udifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Udifolists",
      "crit": "BADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BADB": [
    {
      "content": "BADB. Other Udifolists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Udifolists",
      "crit": "BADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Udifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Udifolists",
      "crit": "BADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BACA": [
    {
      "content": "BACA. Ustifolists that have a lithic contact within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Ustifolists",
      "crit": "BACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Ustifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Ustifolists",
      "crit": "BACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BACB": [
    {
      "content": "BACB. Other Ustifolists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Ustifolists",
      "crit": "BACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Ustifolists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Ustifolists",
      "crit": "BACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEA": [
    {
      "content": "BEA. Hemists that have a sulfuric horizon within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfohemists, p. 202",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEB": [
    {
      "content": "BEB. Other Hemists that have sulfidic materials within 100 cm of the soil surface.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfihemists, p. 202",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEC": [
    {
      "content": "BEC. Other Hemists that have a horizon 2 cm or more thick in which humilluvic material constitutes one-half or more of the volume.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Luvihemists, p. 202",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BED": [
    {
      "content": "BED. Other Hemists that have a cryic soil temperature regime.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryohemists, p. 201",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEE": [
    {
      "content": "BEE. Other Hemists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplohemists, p. 201",
      "chapter": 10,
      "page": 201,
      "key": "Key to Great Groups",
      "taxa": "Hemists",
      "crit": "BEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEDA": [
    {
      "content": "BEDA. Cryohemists that have a layer of water within the control section, below the surface tier.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Cryohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEDB": [
    {
      "content": "BEDB. Other Cryohemists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEDC": [
    {
      "content": "BEDC. Other Cryohemists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Cryohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEDD": [
    {
      "content": "BEDD. Other Cryohemists that meet both of the following:",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Cryohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BEDE": [
    {
      "content": "BEDE. Other Cryohemists.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Cryohemists",
      "crit": "BEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEA": [
    {
      "content": "BEEA. Haplohemists that have a layer of water within the control section, below the surface tier.",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hydric Haplohemists",
      "chapter": 10,
      "page": 201,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEB": [
    {
      "content": "BEEB. Other Haplohemists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEC": [
    {
      "content": "BEEC. Other Haplohemists that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEED": [
    {
      "content": "BEED. Other Haplohemists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEE": [
    {
      "content": "BEEE. Other Haplohemists that meet both of the following:",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BEEF": [
    {
      "content": "BEEF. Other Haplohemists that have one or more layers of fibric materials with a total thickness of 25 cm or more in the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fibric Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEG": [
    {
      "content": "BEEG. Other Haplohemists that have one or more layers of sapric materials with a total thickness of 25 cm or more below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sapric Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEEH": [
    {
      "content": "BEEH. Other Haplohemists.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Haplohemists",
      "crit": "BEEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BECA": [
    {
      "content": "BECA. All Luvihemists (provisionally).",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Luvihemists",
      "crit": "BECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Luvihemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Luvihemists",
      "crit": "BECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEBA": [
    {
      "content": "BEBA. Sulfihemists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfihemists",
      "crit": "BEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Sulfihemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfihemists",
      "crit": "BEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEBB": [
    {
      "content": "BEBB. Other Sulfihemists.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfihemists",
      "crit": "BEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfihemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfihemists",
      "crit": "BEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BEAA": [
    {
      "content": "BEAA. All Sulfohemists (provisionally).",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfohemists",
      "crit": "BEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfohemists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Sulfohemists",
      "crit": "BEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDA": [
    {
      "content": "BDA. Saprists that have a sulfuric horizon within 50 cm of the soil surface.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfosaprists, p. 203",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDB": [
    {
      "content": "BDB. Other Saprists that have sulfidic materials within 100 cm of the soil surface.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfisaprists, p. 203",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDC": [
    {
      "content": "BDC. Other Saprists that have a cryic soil temperature regime.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryosaprists, p. 202",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDD": [
    {
      "content": "BDD. Other Saprists.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplosaprists, p. 203",
      "chapter": 10,
      "page": 202,
      "key": "Key to Great Groups",
      "taxa": "Saprists",
      "crit": "BDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDCA": [
    {
      "content": "BDCA. Cryosaprists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryosaprists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDCB": [
    {
      "content": "BDCB. Other Cryosaprists that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Cryosaprists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDCC": [
    {
      "content": "BDCC. Other Cryosaprists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Cryosaprists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDCD": [
    {
      "content": "BDCD. Other Cryosaprists that meet both of the following:",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Cryosaprists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BDCE": [
    {
      "content": "BDCE. Other Cryosaprists.",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryosaprists",
      "chapter": 10,
      "page": 202,
      "key": "Key to Subgroups",
      "taxa": "Cryosaprists",
      "crit": "BDCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDA": [
    {
      "content": "BDDA. Haplosaprists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDB": [
    {
      "content": "BDDB. Other Haplosaprists that have one or more limnic layers with a total thickness of 5 cm or more within the control section.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDC": [
    {
      "content": "BDDC. Other Haplosaprists that have both:",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout a layer 30 cm or thick that has its upper boundary within the control section, an electrical conductivity of 30 dS/m or more (1:1 soil:water) for 6 months or more during normal years; and",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Halic Terric Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BDDD": [
    {
      "content": "BDDD. Other Haplosaprists that have, throughout a layer 30 cm or thick that has its upper boundary within the control section, an electrical conductivity of 30 dS/m or more (1:1 soil:water) for 6 months or more during normal years.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDE": [
    {
      "content": "BDDE. Other Haplosaprists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDF": [
    {
      "content": "BDDF. Other Haplosaprists that meet both of the following:",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, within the organic soil materials, either one layer of mineral soil material 5 cm or more thick or two or more layers of mineral soil material of any thickness in the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BDDG": [
    {
      "content": "BDDG. Other Haplosaprists that have one or more layers of fibric or hemic materials with a total thickness of 25 cm or more in the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hemic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDDH": [
    {
      "content": "BDDH. Other Haplosaprists.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Haplosaprists",
      "crit": "BDDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDBA": [
    {
      "content": "BDBA. Sulfisaprists that have a lithic contact at the lower boundary of the control section.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sulfisaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDBB": [
    {
      "content": "BDBB. Other Sulfisaprists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Sulfisaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDBC": [
    {
      "content": "BDBC. Other Sulfisaprists.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfisaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfisaprists",
      "crit": "BDBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BDAA": [
    {
      "content": "BDAA. All Sulfosaprists (provisionally).",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfosaprists",
      "crit": "BDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfosaprists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Sulfosaprists",
      "crit": "BDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBA": [
    {
      "content": "BBA. Wassists that have, in all horizons within 100 cm of the soil surface, an electrical conductivity of less than 0.6 dS/m in a 1:5 (soil:water), by volume, supernatant (not extract).",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Frasiwassists, p. 203",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBB": [
    {
      "content": "BBB. Other Wassists that have a horizon or horizons, with a combined thickness of at least 15 cm within 50 cm of the soil surface, that contain sulfidic materials.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfiwassists, p. 204",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBC": [
    {
      "content": "BBC. Other Wassists.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplowassists, p. 204",
      "chapter": 10,
      "page": 203,
      "key": "Key to Great Groups",
      "taxa": "Wassists",
      "crit": "BBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBAA": [
    {
      "content": "BBAA. Frasiwassists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Frasiwassists",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBAB": [
    {
      "content": "BBAB. Other Frasiwassists that:",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have either:",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then a greater thickness of fibric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 203,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then a greater thickness of fibric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers; and",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Do not have sulfidic materials within 100 cm of the soil surface.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fibric Frasiwassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "BBAC": [
    {
      "content": "BBAC. Other Frasiwassists that meet either of the following:",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sapric Frasiwassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BBAD": [
    {
      "content": "BBAD. Other Frasiwassists.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Frasiwassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Frasiwassists",
      "crit": "BBAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBCA": [
    {
      "content": "BBCA. Haplowassists that have a horizon or horizons, with a combined thickness of 15 cm within 100 cm of the soil surface, that contain sulfidic materials.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Haplowassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBCB": [
    {
      "content": "BBCB. Other Haplowassists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Haplowassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBCC": [
    {
      "content": "BBCC. Other Haplowassists that meet either of the following:",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fibric Haplowassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BBCD": [
    {
      "content": "BBCD. Other Haplowassists that meet either of the following:",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sapric Haplowassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BBCE": [
    {
      "content": "BBCE. Other Haplowassists.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplowassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Haplowassists",
      "crit": "BBCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBBA": [
    {
      "content": "BBBA. Sulfiwassists that have a layer of mineral soil material 30 cm or more thick that has its upper boundary within the control section, below the surface tier.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Terric Sulfiwassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "BBBB": [
    {
      "content": "BBBB. Other Sulfiwassists that meet either of the following:",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of fibric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fibric Sulfiwassists",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BBBC": [
    {
      "content": "BBBC. Other Sulfiwassists that meet either of the following:",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. If there is no continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the organic parts of the subsurface tier; or",
      "chapter": 10,
      "page": 204,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. If there is a continuous layer of mineral soil material 40 cm or more thick that has its upper boundary within the subsurface tier, then have a greater thickness of sapric soil materials than any other kind of organic soil materials in the combined thickness of the organic parts of the surface and subsurface tiers.",
      "chapter": 10,
      "page": 206,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sapric Sulfiwassists",
      "chapter": 10,
      "page": 206,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "BBBD": [
    {
      "content": "BBBD. Other Sulfiwassists.",
      "chapter": 10,
      "page": 206,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfiwassists",
      "chapter": 10,
      "page": 206,
      "key": "Key to Subgroups",
      "taxa": "Sulfiwassists",
      "crit": "BBBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KA": [
    {
      "content": "KA. Inceptisols that have one or more of the following:",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In a layer above a densic, lithic, or paralithic contact or in a layer at a depth between 40 and 50 cm from the mineral soil surface, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A histic epipedon; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A sulfuric horizon within 50 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A layer directly under the epipedon, or within 50 cm of the mineral soil surface, that has, on faces of peds or in the matrix if peds are absent, 50 percent or more chroma of either:",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) 2 or less if there are redox concentrations; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(2) 1 or less; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "d. Within 50 cm of the mineral soil surface, enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "2. An exchangeable sodium percentage (ESP) of 15 or more (or a sodium adsorption ratio [SAR] of 13 or more) in half or more of the soil volume within 50 cm of the mineral soil surface, a decrease in ESP (or SAR) values with increasing depth below 50 cm, and ground water within 100 cm of the mineral soil surface for some time during the year.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aquepts, p. 207",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KA",
      "clause": 10,
      "logic": "NEW"
    }
  ],
  "KB": [
    {
      "content": "KB. Other Inceptisols that have a gelic soil temperature regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelepts, p. 221",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KC": [
    {
      "content": "KC. Other Inceptisols that have a cryic soil temperature regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryepts, p. 215",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KD": [
    {
      "content": "KD. Other Inceptisols that have an ustic soil moisture regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustepts, p. 231",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KE": [
    {
      "content": "KE. Other Inceptisols that have a xeric soil moisture regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerepts, p. 239",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KF": [
    {
      "content": "KF. Other Inceptisols.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udepts, p. 223",
      "chapter": 11,
      "page": 207,
      "key": "Key to Suborders",
      "taxa": "Inceptisols",
      "crit": "KF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAA": [
    {
      "content": "KAA. Aquepts that have a sulfuric horizon within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfaquepts, p. 214",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAB": [
    {
      "content": "KAB. Other Aquepts that have, within 100 cm of the mineral soil surface, one or more horizons in which plinthite or a diagnostic horizon that is extremely weakly coherent or more coherent due to pedogenic cementation either forms a continuous phase or constitutes one-half or more of the volume.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petraquepts, p. 214",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAC": [
    {
      "content": "KAC. Other Aquepts that have either:",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A salic horizon; or",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In one or more horizons with a total thickness of 25 cm or more within 50 cm of the mineral soil surface, an exchangeable sodium percentage (ESP) of 15 or more (or a sodium adsorption ratio [SAR] of 13 or more) and a decrease in ESP (or SAR) values with increasing depth below 50 cm.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Halaquepts, p. 213",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAC",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KAD": [
    {
      "content": "KAD. Other Aquepts that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiaquepts, p. 212",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAE": [
    {
      "content": "KAE. Other Aquepts that have a geogenic densic contact within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Densiaquepts, p. 209",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAF": [
    {
      "content": "KAF. Other Aquepts that have a gelic soil temperature regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelaquepts, p. 212",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAG": [
    {
      "content": "KAG. Other Aquepts that have a cryic soil temperature regime.",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaquepts, p. 208",
      "chapter": 11,
      "page": 207,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAH": [
    {
      "content": "KAH. Other Aquepts that have, in one or more layers at least 25 cm thick (cumulative) within 100 cm of the mineral soil surface, 25 percent or more (by volume) recognizable bioturbation, such as filled animal burrows, wormholes, or casts.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermaquepts, p. 214",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAI": [
    {
      "content": "KAI. Other Aquepts that have a histic, melanic, mollic, or umbric epipedon.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humaquepts, p. 213",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAJ": [
    {
      "content": "KAJ. Other Aquepts that have episaturation.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquepts, p. 211",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAK": [
    {
      "content": "KAK. Other Aquepts.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquepts, p. 209",
      "chapter": 11,
      "page": 208,
      "key": "Key to Great Groups",
      "taxa": "Aquepts",
      "crit": "KAK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGA": [
    {
      "content": "KAGA. Cryaquepts that have, within 150 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A sulfuric horizon; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has all of the characteristics of a sulfuric horizon, except that it has a pH value between 3.5 and 4.0 and does not have sulfide or other sulfur-bearing minerals; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Sulfidic materials.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Sulfic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KAGB": [
    {
      "content": "KAGB. Other Cryaquepts that have both a histic epipedon and a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Lithic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGC": [
    {
      "content": "KAGC. Other Cryaquepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGD": [
    {
      "content": "KAGD. Other Cryaquepts that have one or both of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAGE": [
    {
      "content": "KAGE. Other Cryaquepts that have a histic epipedon.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGF": [
    {
      "content": "KAGF. Other Cryaquepts that have one or more limnic layers with a total thickness of 12.5 centimeters or more beginning at or within 100 centimeters of the soil surface.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Limnic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGG": [
    {
      "content": "KAGG. Other Cryaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAGH": [
    {
      "content": "KAGH. Other Cryaquepts that meet one or both of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Cryaquepts",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAGI": [
    {
      "content": "KAGI. Other Cryaquepts that have all of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 208,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Cryaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGI",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAGJ": [
    {
      "content": "KAGJ. Other Cryaquepts that have both:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Chroma of 3 or more in 40 percent or more of the matrix of one or more horizons at a depth between 15 and 50 cm from the mineral soil surface; and",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A mollic or umbric epipedon.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aeric Humic Cryaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAGK": [
    {
      "content": "KAGK. Other Cryaquepts that have chroma of 3 or more in 40 percent or more of the matrix of one or more horizons at a depth between 15 and 50 cm from the mineral soil surface.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Cryaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGL": [
    {
      "content": "KAGL. Other Cryaquepts that have a mollic or umbric epipedon.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Cryaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAGM": [
    {
      "content": "KAGM. Other Cryaquepts.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Cryaquepts",
      "crit": "KAGM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAEA": [
    {
      "content": "KAEA. Densiaquepts that have, in 50 percent or more of the matrix of one or more horizons, either between the plow layer and a depth of 75 cm below the mineral soil surface, or if there is no plow layer, between depths of 15 and 75 cm, chroma of either:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 3 or more; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 2 or more if there are no redox concentrations.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aeric Densiaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAEB": [
    {
      "content": "KAEB. Other Densiaquepts that have a histic, mollic, or umbric epipedon.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Densiaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAEC": [
    {
      "content": "KAEC. Other Densiaquepts.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Densiaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Densiaquepts",
      "crit": "KAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAKA": [
    {
      "content": "KAKA. Endoaquepts that have, within 150 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A sulfuric horizon; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A horizon 15 cm or more thick that has all of the characteristics of a sulfuric horizon, except that it has a pH value between 3.5 and 4.0 and does not have sulfide or other sulfur-bearing minerals; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Sulfidic materials.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Sulfic Endoaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KAKB": [
    {
      "content": "KAKB. Other Endoaquepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Endoaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAKC": [
    {
      "content": "KAKC. Other Endoaquepts that have one or both of the following:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Endoaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAKD": [
    {
      "content": "KAKD. Other Endoaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Endoaquepts",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAKE": [
    {
      "content": "KAKE. Other Endoaquepts that meet one or both of the following:",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 209,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAKF": [
    {
      "content": "KAKF. Other Endoaquepts that have all of the following:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one of the following colors:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) If peds are present, either chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (2) If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. In 50 percent or more of the matrix, hue of 10YR or yellower; and either (1) Both a color value, moist, and chroma of 3 or more; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(2) Chroma of 2 or more if there are no redox concentrations; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Fluventic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKF",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "KAKG": [
    {
      "content": "KAKG. Other Endoaquepts that have all of the following:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAKH": [
    {
      "content": "KAKH. Other Endoaquepts that have fragic soil properties either:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAKI": [
    {
      "content": "KAKI. Other Endoaquepts that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one of the following colors:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, either chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value, moist, and chroma of 3 or more; or",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or b. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKI",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KAKJ": [
    {
      "content": "KAKJ. Other Endoaquepts that have both:",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAKK": [
    {
      "content": "KAKK. Other Endoaquepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Endoaquepts",
      "chapter": 11,
      "page": 210,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAKL": [
    {
      "content": "KAKL. Other Endoaquepts.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Endoaquepts",
      "crit": "KAKL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAJA": [
    {
      "content": "KAJA. Epiaquepts that have one or both of the following:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAJB": [
    {
      "content": "KAJB. Other Epiaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJB",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAJC": [
    {
      "content": "KAJC. Other Epiaquepts that meet one or both of the following:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAJD": [
    {
      "content": "KAJD. Other Epiaquepts that have all of the following:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAJE": [
    {
      "content": "KAJE. Other Epiaquepts that have fragic soil properties either:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAJF": [
    {
      "content": "KAJF. Other Epiaquepts that have, in one or more horizons between the A or Ap horizon and a depth of 75 cm below the mineral soil surface, one of the following colors:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 7.5YR or redder in 50 percent or more of the matrix; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. If peds are present, either chroma of 2 or more on 50 percent or more of ped exteriors or no redox depletions with chroma of 2 or less in ped interiors; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. If peds are absent, chroma of 2 or more in 50 percent or more of the matrix; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. In 50 percent or more of the matrix, hue of 10YR or yellower and either:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Both a color value, moist, and chroma of 3 or more; or",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or b. Chroma of 2 or more if there are no redox concentrations.",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aeric Epiaquepts",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJF",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KAJG": [
    {
      "content": "KAJG. Other Epiaquepts that have both:",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing; and",
      "chapter": 11,
      "page": 211,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A base saturation (by NH4 OAc) of less than 50 percent in some part within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Epiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAJH": [
    {
      "content": "KAJH. Other Epiaquepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 15 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 15 cm after mixing.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Mollic Epiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAJI": [
    {
      "content": "KAJI. Other Epiaquepts.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Epiaquepts",
      "crit": "KAJI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KADA": [
    {
      "content": "KADA. Fragiaquepts that have between the plow layer and a depth of 75 cm below the mineral soil surface or, if there is no plow layer, between depths of 15 and 75 cm, one or more horizons with 50 percent or more of the matrix having chroma of either:",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 3 or more; or",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 2 or more if there are no redox concentrations.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aeric Fragiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KADB": [
    {
      "content": "KADB. Other Fragiaquepts that have a histic, mollic, or umbric epipedon.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Fragiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KADC": [
    {
      "content": "KADC. Other Fragiaquepts.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquepts",
      "crit": "KADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAFA": [
    {
      "content": "KAFA. Gelaquepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAFB": [
    {
      "content": "KAFB. Other Gelaquepts that have a histic epipedon.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAFC": [
    {
      "content": "KAFC. Other Gelaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFC",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAFD": [
    {
      "content": "KAFD. Other Gelaquepts that meet one or both of the following:",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAFE": [
    {
      "content": "KAFE. Other Gelaquepts that have all of the following:",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAFF": [
    {
      "content": "KAFF. Other Gelaquepts that have a mollic or umbric epipedon.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAFG": [
    {
      "content": "KAFG. Other Gelaquepts that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Gelaquepts",
      "chapter": 11,
      "page": 212,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAFH": [
    {
      "content": "KAFH. Other Gelaquepts.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gelaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Gelaquepts",
      "crit": "KAFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KACA": [
    {
      "content": "KACA. Halaquepts that have one or both of the following:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Halaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KACB": [
    {
      "content": "KACB. Other Halaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Halaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACB",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KACC": [
    {
      "content": "KACC. Other Halaquepts that have within 100 cm of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower, one or more horizons that have:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A combined thickness of 15 cm or more; and",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 20 percent or more (by volume) soil material that is extremely weakly coherent or more coherent due to pedogenic cementation.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duric Halaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KACD": [
    {
      "content": "KACD. Other Halaquepts that have, at a depth between 15 and 75 cm from the mineral soil surface, one or more horizons with chroma of 3 or more in 40 percent or more of the matrix.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Halaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KACE": [
    {
      "content": "KACE. Other Halaquepts.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Halaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Halaquepts",
      "crit": "KACE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAIA": [
    {
      "content": "KAIA. Humaquepts that have an n value of either:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. More than 0.7 or a fluidity class of slightly fluid or higher (and less than 8 percent clay) in one or more layers at a depth between 20 and 50 cm from the mineral soil surface; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. More than 0.9 or a fluidity class of moderately fluid or higher in one or more layers at a depth between 50 and 100 cm.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydraquentic Humaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAIB": [
    {
      "content": "KAIB. Other Humaquepts that have a histic epipedon.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Humaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAIC": [
    {
      "content": "KAIC. Other Humaquepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Humaquepts",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIC",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAID": [
    {
      "content": "KAID. Other Humaquepts that meet one or both of the following:",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAID",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 213,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAID",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAID",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Humaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAID",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAIE": [
    {
      "content": "KAIE. Other Humaquepts that have all of the following:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. An umbric or mollic epipedon that is 60 cm or more thick; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Cumulic Humaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KAIF": [
    {
      "content": "KAIF. Other Humaquepts that have all of the following:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Humaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KAIG": [
    {
      "content": "KAIG. Other Humaquepts that have, at a depth between 15 and 75 cm from the mineral soil surface, one or more subhorizons with hue of 5Y or redder and chroma of 3 or more in more than 40 percent of the matrix.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Humaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAIH": [
    {
      "content": "KAIH. Other Humaquepts.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Humaquepts",
      "crit": "KAIH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KABA": [
    {
      "content": "KABA. Petraquepts that have both:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A histic epipedon; and",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A placic horizon.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Histic Placic Petraquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KABB": [
    {
      "content": "KABB. Other Petraquepts that have a placic horizon.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placic Petraquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KABC": [
    {
      "content": "KABC. Other Petraquepts that have one or more horizons within 125 cm of the mineral soil surface in which plinthite either forms a continuous phase or constitutes one-half or more of the volume.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Petraquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KABD": [
    {
      "content": "KABD. Other Petraquepts.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Petraquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Petraquepts",
      "crit": "KABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAAA": [
    {
      "content": "KAAA. Sulfaquepts that have a salic horizon within 75 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salidic Sulfaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAAB": [
    {
      "content": "KAAB. Other Sulfaquepts that have an n value of either:",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. More than 0.7 or a fluidity class of slightly fluid or higher (and 8 or more percent clay) in one or more layers at a depth between 20 and 50 cm from the mineral soil surface; or",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. More than 0.9 or a fluidity class of moderately fluid or higher in one or more layers at a depth between 50 and 100 cm from the mineral soil surface.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Hydraquentic Sulfaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KAAC": [
    {
      "content": "KAAC. Other Sulfaquepts.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquepts",
      "crit": "KAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAHA": [
    {
      "content": "KAHA. Vermaquepts that have an exchangeable sodium percentage of 7 or more (or a sodium adsorption ratio [SAR] of 6 or more) in one or more subhorizons within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Vermaquepts",
      "crit": "KAHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Vermaquepts",
      "chapter": 11,
      "page": 214,
      "key": "Key to Subgroups",
      "taxa": "Vermaquepts",
      "crit": "KAHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KAHB": [
    {
      "content": "KAHB. Other Vermaquepts.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Vermaquepts",
      "crit": "KAHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vermaquepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Vermaquepts",
      "crit": "KAHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCA": [
    {
      "content": "KCA. Cryepts that have an umbric or mollic epipedon.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humicryepts, p. 219",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCB": [
    {
      "content": "KCB. Other Cryepts that have a calcic or petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcicryepts, p. 215",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCC": [
    {
      "content": "KCC. Other Cryepts that meet both of the following:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Do not have free carbonates within 200 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a base saturation (by NH4 OAc) of less than 50 percent, either:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. In one-half or more of the thickness between 25 and 75 cm below the mineral soil surface and there is no placic horizon, duripan, fragipan, or densic, lithic, or paralithic contact within 50 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "or b. In a layer, 10 cm or more thick, directly above a placic horizon, duripan, fragipan, or densic, lithic, or paralithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Dystrocryepts, p. 215",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCC",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "KCD": [
    {
      "content": "KCD. Other Cryepts.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryepts, p. 217",
      "chapter": 11,
      "page": 215,
      "key": "Key to Great Groups",
      "taxa": "Cryepts",
      "crit": "KCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCBA": [
    {
      "content": "KCBA. Calcicryepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcicryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCBB": [
    {
      "content": "KCBB. Other Calcicryepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Calcicryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCBC": [
    {
      "content": "KCBC. Other Calcicryepts that have a xeric soil moisture regime.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Calcicryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCBD": [
    {
      "content": "KCBD. Other Calcicryepts that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Calcicryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCBE": [
    {
      "content": "KCBE. Other Calcicryepts.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcicryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Calcicryepts",
      "crit": "KCBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCA": [
    {
      "content": "KCCA. Dystrocryepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystrocryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCB": [
    {
      "content": "KCCB. Other Dystrocryepts that have both:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more; or",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "or b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Dystrocryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KCCC": [
    {
      "content": "KCCC. Other Dystrocryepts that have both:",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploxerandic Dystrocryepts",
      "chapter": 11,
      "page": 215,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCCD": [
    {
      "content": "KCCD. Other Dystrocryepts that have both:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCCE": [
    {
      "content": "KCCE. Other Dystrocryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCF": [
    {
      "content": "KCCF. Other Dystrocryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KCCG": [
    {
      "content": "KCCG. Other Dystrocryepts that meet one or both of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCCH": [
    {
      "content": "KCCH. Other Dystrocryepts that have all of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCCI": [
    {
      "content": "KCCI. Other Dystrocryepts that have a folistic epipedon.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCJ": [
    {
      "content": "KCCJ. Other Dystrocryepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCK": [
    {
      "content": "KCCK. Other Dystrocryepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCCL": [
    {
      "content": "KCCL. Other Dystrocryepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Dystrocryepts",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCM": [
    {
      "content": "KCCM. Other Dystrocryepts that have all of the following:",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 216,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCM",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KCCN": [
    {
      "content": "KCCN. Other Dystrocryepts that have a horizon 5 cm or more thick that has one or more of the following:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 25 percent or more of the horizon in each pedon is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus ½ Fe (by ammonium oxalate) of 0.25 percent or more and half that amount or less in an overlying horizon; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more and a value half as high or lower in an overlying horizon.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCN",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCN",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KCCO": [
    {
      "content": "KCCO. Other Dystrocryepts that have a xeric soil moisture regime.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCP": [
    {
      "content": "KCCP. Other Dystrocryepts that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCQ": [
    {
      "content": "KCCQ. Other Dystrocryepts that have a base saturation (by NH4 OAc) of 50 percent or more in one or more horizons between 25 and 50 cm from the mineral soil surface.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCCR": [
    {
      "content": "KCCR. Other Dystrocryepts.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystrocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Dystrocryepts",
      "crit": "KCCR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDA": [
    {
      "content": "KCDA. Haplocryepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDB": [
    {
      "content": "KCDB. Other Haplocryepts that have both:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "or b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Haplocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KCDC": [
    {
      "content": "KCDC. Other Haplocryepts that have both:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploxerandic Haplocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCDD": [
    {
      "content": "KCDD. Other Haplocryepts that have both:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Haplocryepts",
      "chapter": 11,
      "page": 217,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCDE": [
    {
      "content": "KCDE. Other Haplocryepts that have both:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that is dry in some part for 45 or more days (cumulative) in normal years; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplustandic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCDF": [
    {
      "content": "KCDF. Other Haplocryepts that have both:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A moisture control section that is dry in some part for 45 or more days (cumulative) in normal years; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Ustivitrandic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDF",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCDG": [
    {
      "content": "KCDG. Other Haplocryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDH": [
    {
      "content": "KCDH. Other Haplocryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KCDI": [
    {
      "content": "KCDI. Other Haplocryepts that meet one or both of the following:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCDJ": [
    {
      "content": "KCDJ. Other Haplocryepts that have all of the following:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDJ",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCDK": [
    {
      "content": "KCDK. Other Haplocryepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDL": [
    {
      "content": "KCDL. Other Haplocryepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplocryepts",
      "chapter": 11,
      "page": 218,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCDM": [
    {
      "content": "KCDM. Other Haplocryepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDN": [
    {
      "content": "KCDN. Other Haplocryepts that have all of the following:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KCDO": [
    {
      "content": "KCDO. Other Haplocryepts that have identifiable secondary carbonates within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDP": [
    {
      "content": "KCDP. Other Haplocryepts that have a xeric soil moisture regime.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDQ": [
    {
      "content": "KCDQ. Other Haplocryepts that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCDR": [
    {
      "content": "KCDR. Other Haplocryepts.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Haplocryepts",
      "crit": "KCDR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAA": [
    {
      "content": "KCAA. Humicryepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humicryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAB": [
    {
      "content": "KCAB. Other Humicryepts that have both:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more; or",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "or b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Humicryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KCAC": [
    {
      "content": "KCAC. Other Humicryepts that have both:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploxerandic Humicryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCAD": [
    {
      "content": "KCAD. Other Humicryepts that have both:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A xeric soil moisture regime; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitrixerandic Humicryepts",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCAE": [
    {
      "content": "KCAE. Other Humicryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 219,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAF": [
    {
      "content": "KCAF. Other Humicryepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus ½ Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KCAG": [
    {
      "content": "KCAG. Other Humicryepts that meet one or both of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCAH": [
    {
      "content": "KCAH. Other Humicryepts that have all of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KCAI": [
    {
      "content": "KCAI. Other Humicryepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAJ": [
    {
      "content": "KCAJ. Other Humicryepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCAK": [
    {
      "content": "KCAK. Other Humicryepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAL": [
    {
      "content": "KCAL. Other Humicryepts that have all of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAL",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KCAM": [
    {
      "content": "KCAM. Other Humicryepts that have a horizon 5 cm or more thick that has one or more of the following:",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAM",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 25 percent or more of the horizon in each pedon is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus ½ Fe (by ammonium oxalate) of 0.25 percent or more and half that amount or less in an overlying horizon; or",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more and a value half as high or lower in an overlying horizon.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAM",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAM",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KCAN": [
    {
      "content": "KCAN. Other Humicryepts that have a xeric soil moisture regime.",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Humicryepts",
      "chapter": 11,
      "page": 220,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KCAO": [
    {
      "content": "KCAO. Other Humicryepts that have a base saturation (by NH4 OAc) of 50 percent or more, either:",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAO",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one-half or more of the total thickness between 25 and 75 cm from the mineral soil surface; or",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In some part of the 10 cm thickness directly above a densic, lithic, or paralithic contact that occurs less than 50 cm below the mineral soil surface.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutric Humicryepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KCAP": [
    {
      "content": "KCAP. Other Humicryepts.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humicryepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Humicryepts",
      "crit": "KCAP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBA": [
    {
      "content": "KBA. Gelepts that have an umbric or mollic epipedon.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humigelepts, p. 222",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBB": [
    {
      "content": "KBB. Other Gelepts that have a base saturation (by NH4 OAc) of less than 50 percent, either:",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one or more horizons totaling 25 cm or more in thickness within 50 cm below the mineral soil surface and there is no placic horizon, duripan, fragipan, or densic, lithic, or paralithic contact within 50 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. In one-half or more of the thickness between the mineral soil surface and the top of a placic horizon, duripan, fragipan, or densic, lithic, or paralithic contact occurring within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystrogelepts, p. 221",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KBC": [
    {
      "content": "KBC. Other Gelepts.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplogelepts, p. 221",
      "chapter": 11,
      "page": 221,
      "key": "Key to Great Groups",
      "taxa": "Gelepts",
      "crit": "KBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBBA": [
    {
      "content": "KBBA. Dystrogelepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBBB": [
    {
      "content": "KBBB. Other Dystrogelepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBBC": [
    {
      "content": "KBBC. Other Dystrogelepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBBD": [
    {
      "content": "KBBD. Other Dystrogelepts that meet one or both of the following:",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KBBE": [
    {
      "content": "KBBE. Other Dystrogelepts that do not have irregular or broken horizon boundaries, and have all of the following:",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KBBF": [
    {
      "content": "KBBF. Other Dystrogelepts that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBBG": [
    {
      "content": "KBBG. Other Dystrogelepts.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystrogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Dystrogelepts",
      "crit": "KBBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBCA": [
    {
      "content": "KBCA. Haplogelepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplogelepts",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBCB": [
    {
      "content": "KBCB. Other Haplogelepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 221,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBCC": [
    {
      "content": "KBCC. Other Haplogelepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBCD": [
    {
      "content": "KBCD. Other Haplogelepts that meet one or both of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KBCE": [
    {
      "content": "KBCE. Other Haplogelepts that do not have irregular or broken horizon boundaries, and have all of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KBCF": [
    {
      "content": "KBCF. Other Haplogelepts that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBCG": [
    {
      "content": "KBCG. Other Haplogelepts.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplogelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Haplogelepts",
      "crit": "KBCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBAA": [
    {
      "content": "KBAA. Humigelepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBAB": [
    {
      "content": "KBAB. Other Humigelepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus ½ Fe (by ammonium oxalate) of 1.0 percent or more.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBAC": [
    {
      "content": "KBAC. Other Humigelepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBAD": [
    {
      "content": "KBAD. Other Humigelepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KBAE": [
    {
      "content": "KBAE. Other Humigelepts that meet one or both of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KBAF": [
    {
      "content": "KBAF. Other Humigelepts that do not have irregular or broken horizon boundaries, and have all of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Humigelepts",
      "chapter": 11,
      "page": 222,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KBAG": [
    {
      "content": "KBAG. Other Humigelepts that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Humigelepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KBAH": [
    {
      "content": "KBAH. Other Humigelepts that have a base saturation (by NH4 OAc) of 50 percent or more, either:",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one-half or more of the total thickness between 25 and 75 cm from the mineral soil surface; or",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In some part of the 10 cm thickness directly above a densic, lithic, or paralithic contact that occurs less than 50 cm below the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutric Humigelepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KBAI": [
    {
      "content": "KBAI. Other Humigelepts.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humigelepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Humigelepts",
      "crit": "KBAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFA": [
    {
      "content": "KFA. Udepts that have a sulfuric horizon within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfudepts, p. 231",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFB": [
    {
      "content": "KFB. Other Udepts that have a duripan or another horizon that is extremely weakly coherent or more coherent due to pedogenic cementation within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durudepts, p. 223",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFC": [
    {
      "content": "KFC. Other Udepts that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiudepts, p. 229",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFD": [
    {
      "content": "KFD. Other Udepts that have a geogenic densic contact within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Densiudepts, p. 223",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFE": [
    {
      "content": "KFE. Other Udepts that have an umbric or mollic epipedon.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humudepts, p. 229",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFF": [
    {
      "content": "KFF. Other Udepts that have one or both of the following:",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Free carbonates throughout; or",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of 60 percent or more in one or more horizons at a depth between 25 and 75 cm from the mineral soil surface or directly above a root- limiting layer (defined in chapter 17) that is at a shallower depth.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutrudepts, p. 227",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFF",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KFG": [
    {
      "content": "KFG. Other Udepts.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystrudepts, p. 224",
      "chapter": 11,
      "page": 223,
      "key": "Key to Great Groups",
      "taxa": "Udepts",
      "crit": "KFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFDA": [
    {
      "content": "KFDA. Densiudepts that have, in one or more horizons within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Densiudepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFDB": [
    {
      "content": "KFDB. Other Densiudepts that have one or both of the following:",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric or mollic epipedon; or",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Densiudepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFDC": [
    {
      "content": "KFDC. Other Densiudepts.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Densiudepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Densiudepts",
      "crit": "KFDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFBA": [
    {
      "content": "KFBA. Durudepts that have both:",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons above the duripan and within 60 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Durudepts",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBA",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KFBB": [
    {
      "content": "KFBB. Other Durudepts that have, throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 223,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Durudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFBC": [
    {
      "content": "KFBC. Other Durudepts that have, throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Durudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFBD": [
    {
      "content": "KFBD. Other Durudepts that have, in one or more horizons above the duripan and within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Durudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFBE": [
    {
      "content": "KFBE. Other Durudepts.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Durudepts",
      "crit": "KFBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGA": [
    {
      "content": "KFGA. Dystrudepts that have both:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Lithic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGB": [
    {
      "content": "KFGB. Other Dystrudepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGC": [
    {
      "content": "KFGC. Other Dystrudepts that have one or both of the following:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGD": [
    {
      "content": "KFGD. Other Dystrudepts that have a densic contact due to mechanical compaction in more than 90 percent of the pedon (measured laterally) within 100 cm of the soil surface.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthrodensic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGE": [
    {
      "content": "KFGE. Other Dystrudepts that have human-transported material that is 50 cm or more thick.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthroportic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGF": [
    {
      "content": "KFGF. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Dystrudepts",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGF",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KFGG": [
    {
      "content": "KFGG. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Saturation with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 11,
      "page": 224,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Andic Oxyaquic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFGH": [
    {
      "content": "KFGH. Other Dystrudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGI": [
    {
      "content": "KFGI. Other Dystrudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFGJ": [
    {
      "content": "KFGJ. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFGK": [
    {
      "content": "KFGK. Other Dystrudepts that meet one or both of the following:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGL": [
    {
      "content": "KFGL. Other Dystrudepts that have all of the following:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGL",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KFGM": [
    {
      "content": "KFGM. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Humic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGN": [
    {
      "content": "KFGN. Other Dystrudepts that have, in one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGO": [
    {
      "content": "KFGO. Other Dystrudepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Dystrudepts",
      "chapter": 11,
      "page": 225,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGP": [
    {
      "content": "KFGP. Other Dystrudepts that have fragic soil properties either:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGP",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGQ": [
    {
      "content": "KFGQ. Other Dystrudepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGR": [
    {
      "content": "KFGR. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGR",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A sandy particle-size class in all subhorizons throughout the particle-size control section.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGR",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Psammentic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGR",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGS": [
    {
      "content": "KFGS. Other Dystrudepts that have all of the following:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluventic Humic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGS",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KFGT": [
    {
      "content": "KFGT. Other Dystrudepts that have all of the following:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGT",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KFGU": [
    {
      "content": "KFGU. Other Dystrudepts that have a horizon 5 cm or more thick that has one or more of the following:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGU",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 25 percent or more of the horizon in each pedon is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGU",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGU",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGU",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGU",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KFGV": [
    {
      "content": "KFGV. Other Dystrudepts that have, in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGV",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+) per kg clay; or",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGV",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both a ratio of measured clay in the fine-earth fraction to percent water retained at 1500 kPa tension of 0.6 or more and the following: the CEC (by 1N NH4 OAc pH 7) divided by the product of three times [percent water retained at 1500 kPa tension minus percent organic carbon (but no more than 1.00)] is less than 24.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGV",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGV",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGW": [
    {
      "content": "KFGW. Other Dystrudepts that have both:",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGW",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In each pedon a cambic horizon that includes 10 to 50 percent (by volume) illuvial parts that otherwise meet the requirements for an argillic, kandic, or natric horizon; and",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGW",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of 35 percent or more either at a depth of 125 cm from the top of the cambic horizon or directly above a densic, lithic, or paralithic contact if shallower.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGW",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ruptic-Alfic Dystrudepts",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGW",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFGX": [
    {
      "content": "KFGX. Other Dystrudepts that have in each pedon a cambic horizon that includes 10 to 50 percent (by volume) illuvial parts that otherwise meet the requirements for an argillic, kandic, or natric horizon.",
      "chapter": 11,
      "page": 226,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGX",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ruptic-Ultic Dystrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGX",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGY": [
    {
      "content": "KFGY. Other Dystrudepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGY",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Dystrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGY",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFGZ": [
    {
      "content": "KFGZ. Other Dystrudepts.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGZ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Dystrudepts",
      "crit": "KFGZ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFA": [
    {
      "content": "KFFA. Eutrudepts that have both:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Lithic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFB": [
    {
      "content": "KFFB. Other Eutrudepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFC": [
    {
      "content": "KFFC. Other Eutrudepts that have both:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFFD": [
    {
      "content": "KFFD. Other Eutrudepts that have one or both of the following:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFE": [
    {
      "content": "KFFE. Other Eutrudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFF": [
    {
      "content": "KFFF. Other Eutrudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFFG": [
    {
      "content": "KFFG. Other Eutrudepts that have anthraquic conditions.",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFH": [
    {
      "content": "KFFH. Other Eutrudepts that have both:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Eutrudepts",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFFI": [
    {
      "content": "KFFI. Other Eutrudepts that meet one or both of the following:",
      "chapter": 11,
      "page": 227,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFJ": [
    {
      "content": "KFFJ. Other Eutrudepts that have all of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFJ",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KFFK": [
    {
      "content": "KFFK. Other Eutrudepts that meet both of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have, in one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have free carbonates throughout any horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Dystric Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFL": [
    {
      "content": "KFFL. Other Eutrudepts that have, in one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFM": [
    {
      "content": "KFFM. Other Eutrudepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFN": [
    {
      "content": "KFFN. Other Eutrudepts that have fragic soil properties:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFFO": [
    {
      "content": "KFFO. Other Eutrudepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFP": [
    {
      "content": "KFFP. Other Eutrudepts that do not have free carbonates throughout any horizon within 100 cm of the mineral soil surface, and have all of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Dystric Fluventic Eutrudepts",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFP",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KFFQ": [
    {
      "content": "KFFQ. Other Eutrudepts that have all of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 228,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFQ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KFFR": [
    {
      "content": "KFFR. Other Eutrudepts that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand in all horizons within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFS": [
    {
      "content": "KFFS. Other Eutrudepts that do not have free carbonates throughout any horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystric Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFT": [
    {
      "content": "KFFT. Other Eutrudepts that have a CaCO3 equivalent of 40 percent or more, including fragments 2 to 75 mm in diameter, in all horizons between the top of the cambic horizon and either a depth of 100 cm from the mineral soil surface or a densic, lithic, or paralithic contact if shallower.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Rendollic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFU": [
    {
      "content": "KFFU. Other Eutrudepts that have a cambic horizon that includes 10 to 50 percent (by volume) illuvial parts that otherwise meet the requirements for an argillic, kandic, or natric horizon.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ruptic-Alfic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFV": [
    {
      "content": "KFFV. Other Eutrudepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFFW": [
    {
      "content": "KFFW. Other Eutrudepts.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFW",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutrudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Eutrudepts",
      "crit": "KFFW",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFCA": [
    {
      "content": "KFCA. Fragiudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Fragiudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFCB": [
    {
      "content": "KFCB. Other Fragiudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Fragiudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFCC": [
    {
      "content": "KFCC. Other Fragiudepts that have, in one or more horizons within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragiudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFCD": [
    {
      "content": "KFCD. Other Fragiudepts that have one or both of the following:",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric or mollic epipedon; or",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Fragiudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFCE": [
    {
      "content": "KFCE. Other Fragiudepts.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Fragiudepts",
      "crit": "KFCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEA": [
    {
      "content": "KFEA. Humudepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEB": [
    {
      "content": "KFEB. Other Humudepts that have one or both of the following:",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Humudepts",
      "chapter": 11,
      "page": 229,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFEC": [
    {
      "content": "KFEC. Other Humudepts that have both:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KFED": [
    {
      "content": "KFED. Other Humudepts that have both:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Andic Oxyaquic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFED",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFEE": [
    {
      "content": "KFEE. Other Humudepts that have, in one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEF": [
    {
      "content": "KFEF. Other Humudepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KFEG": [
    {
      "content": "KFEG. Other Humudepts that meet one or both of the following:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFEH": [
    {
      "content": "KFEH. Other Humudepts that have all of the following:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KFEI": [
    {
      "content": "KFEI. Other Humudepts that have, in one or more horizons within 60 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humudepts",
      "chapter": 11,
      "page": 230,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEJ": [
    {
      "content": "KFEJ. Other Humudepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFEK": [
    {
      "content": "KFEK. Other Humudepts that have a sandy particle-size class in all subhorizons throughout the particle-size control section.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEL": [
    {
      "content": "KFEL. Other Humudepts that have, in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+) per kg clay; or",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both a ratio of measured clay in the fine-earth fraction to percent water retained at 1500 kPa tension of 0.6 or more and the following: the CEC (by 1N NH4 OAc pH 7) divided by the product of three times [percent water retained at 1500 kPa tension minus percent organic carbon (but no more than 1.00)] is less than 24.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFEM": [
    {
      "content": "KFEM. Other Humudepts that have all of the following:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. An umbric or mollic epipedon that is 50 cm or more thick; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Cumulic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEM",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KFEN": [
    {
      "content": "KFEN. Other Humudepts that have all of the following:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KFEO": [
    {
      "content": "KFEO. Other Humudepts that have an umbric or mollic epipedon that is 50 cm or more thick.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFEP": [
    {
      "content": "KFEP. Other Humudepts that have a base saturation (by NH4 OAc) of 60 percent or more either:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEP",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In one-half or more of the total thickness between 25 and 75 cm from the mineral soil surface; or",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In some part of the 10 cm thickness directly above a densic, lithic, or paralithic contact that occurs less than 50 cm below the mineral soil surface.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Eutric Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KFEQ": [
    {
      "content": "KFEQ. Other Humudepts that do not have a cambic horizon and do not, in any part of the umbric or mollic epipedon, meet the requirements for a cambic horizon, except for the color requirements.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFEQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFER": [
    {
      "content": "KFER. Other Humudepts.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFER",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Humudepts",
      "crit": "KFER",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KFAA": [
    {
      "content": "KFAA. All Sulfudepts (provisionally).",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Sulfudepts",
      "crit": "KFAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfudepts",
      "chapter": 11,
      "page": 231,
      "key": "Key to Subgroups",
      "taxa": "Sulfudepts",
      "crit": "KFAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDA": [
    {
      "content": "KDA. Ustepts that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 231,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durustepts, p. 233",
      "chapter": 11,
      "page": 231,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDB": [
    {
      "content": "KDB. Other Ustepts that have both:",
      "chapter": 11,
      "page": 231,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface or a petrocalcic horizon within 150 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 231,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either free carbonates or a texture class of loamy fine sand or coarser, in all parts above the calcic or petrocalcic horizon, after the soil between the mineral soil surface and a depth of 18 cm has been mixed.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calciustepts, p. 232",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KDC": [
    {
      "content": "KDC. Other Ustepts that have an umbric or mollic epipedon.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humustepts, p. 239",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDD": [
    {
      "content": "KDD. Other Ustepts that have both of the following:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. No free carbonates within 200 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 60 percent in all horizons at a depth between 25 and 75 cm from the mineral soil surface.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystrustepts, p. 233",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDD",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KDE": [
    {
      "content": "KDE. Other Ustepts.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustepts, p. 235",
      "chapter": 11,
      "page": 232,
      "key": "Key to Great Groups",
      "taxa": "Ustepts",
      "crit": "KDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBA": [
    {
      "content": "KDBA. Calciustepts that have a petrocalcic horizon and a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Petrocalcic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBB": [
    {
      "content": "KDBB. Other Calciustepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBC": [
    {
      "content": "KDBC. Other Calciustepts that have both:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBC",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "KDBD": [
    {
      "content": "KDBD. Other Calciustepts that have one or both of the following:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDBE": [
    {
      "content": "KDBE. Other Calciustepts that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBF": [
    {
      "content": "KDBF. Other Calciustepts that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBG": [
    {
      "content": "KDBG. Other Calciustepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Calciustepts",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDBH": [
    {
      "content": "KDBH. Other Calciustepts that have, when neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 232,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Calciustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBH",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDBI": [
    {
      "content": "KDBI. Other Calciustepts that have, when neither irrigated nor fallowed to store moisture, either:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for four-tenths or less of the consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Calciustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDBJ": [
    {
      "content": "KDBJ. Other Calciustepts.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Calciustepts",
      "crit": "KDBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDAA": [
    {
      "content": "KDAA. All Durustepts (provisionally).",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Durustepts",
      "crit": "KDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Durustepts",
      "crit": "KDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDDA": [
    {
      "content": "KDDA. Dystrustepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystrustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDDB": [
    {
      "content": "KDDB. Other Dystrustepts that have both:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5o C; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Dystrustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDB",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "KDDC": [
    {
      "content": "KDDC. Other Dystrustepts that have one or both of the following:",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Dystrustepts",
      "chapter": 11,
      "page": 233,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDDD": [
    {
      "content": "KDDD. Other Dystrustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDDE": [
    {
      "content": "KDDE. Other Dystrustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KDDF": [
    {
      "content": "KDDF. Other Dystrustepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDDG": [
    {
      "content": "KDDG. Other Dystrustepts that meet one or both of the following:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDDH": [
    {
      "content": "KDDH. Other Dystrustepts that have all of the following:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDH",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDDI": [
    {
      "content": "KDDI. Other Dystrustepts that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDI",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDDJ": [
    {
      "content": "KDDJ. Other Dystrustepts that have, in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower:",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+) per kg clay; or",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both a ratio of measured clay in the fine-earth fraction to percent water retained at 1500 kPa tension of 0.6 or more and the following: the CEC (by 1N NH4 OAc pH 7) divided by the product of three times [percent water retained at 1500 kPa tension minus percent organic carbon (but no more than 1.00)] is less than 24.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDDK": [
    {
      "content": "KDDK. Other Dystrustepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Dystrustepts",
      "chapter": 11,
      "page": 234,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDDL": [
    {
      "content": "KDDL. Other Dystrustepts.",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystrustepts",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Dystrustepts",
      "crit": "KDDL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEA": [
    {
      "content": "KDEA. Haplustepts that have:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Haplustepts",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEA",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KDEB": [
    {
      "content": "KDEB. Other Haplustepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustepts",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEC": [
    {
      "content": "KDEC. Other Haplustepts that have both:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Udertic Haplustepts",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KDED": [
    {
      "content": "KDED. Other Haplustepts that have both:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 235,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDED",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "KDEE": [
    {
      "content": "KDEE. Other Haplustepts that have one or both of the following:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDEF": [
    {
      "content": "KDEF. Other Haplustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEG": [
    {
      "content": "KDEG. Other Haplustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KDEH": [
    {
      "content": "KDEH. Other Haplustepts that have anthraquic conditions.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEI": [
    {
      "content": "KDEI. Other Haplustepts that have a densic contact due to mechanical compaction in more than 90 percent of the pedon (measured laterally) within 100 cm of the soil surface.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthrodensic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEJ": [
    {
      "content": "KDEJ. Other Haplustepts that have human-transported material that is 50 cm or more thick.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthroportic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEK": [
    {
      "content": "KDEK. Other Haplustepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEL": [
    {
      "content": "KDEL. Other Haplustepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDEM": [
    {
      "content": "KDEM. Other Haplustepts that have, in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEM",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+) per kg clay; or",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both a ratio of measured clay in the fine-earth fraction to percent water retained at 1500 kPa tension of 0.6 or more and the following: the CEC (by 1N NH4 OAc pH 7) divided by the product of three times [percent water retained at 1500 kPa tension minus percent organic carbon (but no more than 1.00)] is less than 24.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDEN": [
    {
      "content": "KDEN. Other Haplustepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEO": [
    {
      "content": "KDEO. Other Haplustepts that meet one or both of the following:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplustepts",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDEP": [
    {
      "content": "KDEP. Other Haplustepts that have all of the following:",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 236,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Torrifluventic Haplustepts",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEP",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "KDEQ": [
    {
      "content": "KDEQ. Other Haplustepts that have all of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 4. One or both of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Udifluventic Haplustepts",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEQ",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "KDER": [
    {
      "content": "KDER. Other Haplustepts that have all of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplustepts",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDER",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDES": [
    {
      "content": "KDES. Other Haplustepts that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDES",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Haplustepts",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDES",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDET": [
    {
      "content": "KDET. Other Haplustepts that have both:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 237,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Haplocalcidic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDET",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KDEU": [
    {
      "content": "KDEU. Other Haplustepts that have both:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calcic Udic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEU",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDEV": [
    {
      "content": "KDEV. Other Haplustepts that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEW": [
    {
      "content": "KDEW. Other Haplustepts that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEW",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDEX": [
    {
      "content": "KDEX. Other Haplustepts that have a base saturation (by sum of cations) of less than 60 percent in some horizon between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEX",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Dystric Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEX",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDEY": [
    {
      "content": "KDEY. Other Haplustepts that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEY",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 105 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEY",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for less than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEY",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEY",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Udic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEY",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KDEZ": [
    {
      "content": "KDEZ. Other Haplustepts.",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEZ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustepts",
      "chapter": 11,
      "page": 238,
      "key": "Key to Subgroups",
      "taxa": "Haplustepts",
      "crit": "KDEZ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDCA": [
    {
      "content": "KDCA. Humustepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDCB": [
    {
      "content": "KDCB. Other Humustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KDCC": [
    {
      "content": "KDCC. Other Humustepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KDCD": [
    {
      "content": "KDCD. Other Humustepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDCE": [
    {
      "content": "KDCE. Other Humustepts that have, in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact if shallower:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+) per kg clay; or",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both a ratio of measured clay in the fine-earth fraction to percent water retained at 1500 kPa tension of 0.6 or more and the following: the CEC (by 1N NH4 OAc pH 7) divided by the product of three times [percent water retained at 1500 kPa tension minus percent organic carbon (but no more than 1.00)] is less than 24.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KDCF": [
    {
      "content": "KDCF. Other Humustepts that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KDCG": [
    {
      "content": "KDCG. Other Humustepts.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humustepts",
      "chapter": 11,
      "page": 239,
      "key": "Key to Subgroups",
      "taxa": "Humustepts",
      "crit": "KDCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEA": [
    {
      "content": "KEA. Xerepts that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durixerepts, p. 240",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEB": [
    {
      "content": "KEB. Other Xerepts that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragixerepts, p. 243",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEC": [
    {
      "content": "KEC. Other Xerepts that have an umbric or mollic epipedon.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humixerepts, p. 245",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KED": [
    {
      "content": "KED. Other Xerepts that have both:",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface or a petrocalcic horizon within 150 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Free carbonates in all parts above the calcic or petrocalcic horizon, after the soil between the mineral soil surface and a depth of 18 cm has been mixed.",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcixerepts, p. 240",
      "chapter": 11,
      "page": 239,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KED",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KEE": [
    {
      "content": "KEE. Other Xerepts that have both of the following:",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. No free carbonates within 200 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by NH4 OAc) of less than 60 percent in all horizons at a depth between 25 and 75 cm from the mineral soil surface.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystroxerepts, p. 241",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "KEF": [
    {
      "content": "KEF. Other Xerepts.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxerepts, p. 243",
      "chapter": 11,
      "page": 240,
      "key": "Key to Great Groups",
      "taxa": "Xerepts",
      "crit": "KEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEDA": [
    {
      "content": "KEDA. Calcixerepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEDB": [
    {
      "content": "KEDB. Other Calcixerepts that have one or both of the following:",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEDC": [
    {
      "content": "KEDC. Other Calcixerepts that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEDD": [
    {
      "content": "KEDD. Other Calcixerepts that have an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio [SAR] of 13 or more) in one or more subhorizons within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEDE": [
    {
      "content": "KEDE. Other Calcixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEDF": [
    {
      "content": "KEDF. Other Calcixerepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEDG": [
    {
      "content": "KEDG. Other Calcixerepts.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Calcixerepts",
      "crit": "KEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEAA": [
    {
      "content": "KEAA. Durixerepts that have both:",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons above the duripan and within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Durixerepts",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAA",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KEAB": [
    {
      "content": "KEAB. Other Durixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 240,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Durixerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEAC": [
    {
      "content": "KEAC. Other Durixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more, above the duripan and within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Durixerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEAD": [
    {
      "content": "KEAD. Other Durixerepts that have, in one or more horizons above the duripan and within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Durixerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEAE": [
    {
      "content": "KEAE. Other Durixerepts that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Durixerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEAF": [
    {
      "content": "KEAF. Other Durixerepts.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durixerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Durixerepts",
      "crit": "KEAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEEA": [
    {
      "content": "KEEA. Dystroxerepts that have both:",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Lithic Dystroxerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEEB": [
    {
      "content": "KEEB. Other Dystroxerepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystroxerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEEC": [
    {
      "content": "KEEC. Other Dystroxerepts that have both:",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Dystroxerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEC",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KEED": [
    {
      "content": "KEED. Other Dystroxerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Dystroxerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEEE": [
    {
      "content": "KEEE. Other Dystroxerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Dystroxerepts",
      "chapter": 11,
      "page": 241,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEEF": [
    {
      "content": "KEEF. Other Dystroxerepts that have both:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEEG": [
    {
      "content": "KEEG. Other Dystroxerepts that meet one or both of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEEH": [
    {
      "content": "KEEH. Other Dystroxerepts that have all of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KEEI": [
    {
      "content": "KEEI. Other Dystroxerepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEEJ": [
    {
      "content": "KEEJ. Other Dystroxerepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEEK": [
    {
      "content": "KEEK. Other Dystroxerepts that have fragic soil properties either:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEK",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEEL": [
    {
      "content": "KEEL. Other Dystroxerepts that have all of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluventic Humic Dystroxerepts",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEL",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KEEM": [
    {
      "content": "KEEM. Other Dystroxerepts that have all of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 242,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Dystroxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEM",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KEEN": [
    {
      "content": "KEEN. Other Dystroxerepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Dystroxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEEO": [
    {
      "content": "KEEO. Other Dystroxerepts.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystroxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Dystroxerepts",
      "crit": "KEEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEBA": [
    {
      "content": "KEBA. Fragixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Fragixerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEBB": [
    {
      "content": "KEBB. Other Fragixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Fragixerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEBC": [
    {
      "content": "KEBC. Other Fragixerepts that have, in one or more horizons within 30 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragixerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEBD": [
    {
      "content": "KEBD. Other Fragixerepts that have one or both of the following:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An umbric or mollic epipedon; or",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Fragixerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEBE": [
    {
      "content": "KEBE. Other Fragixerepts.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragixerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Fragixerepts",
      "crit": "KEBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFA": [
    {
      "content": "KEFA. Haploxerepts that have both:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Lithic Haploxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEFB": [
    {
      "content": "KEFB. Other Haploxerepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFC": [
    {
      "content": "KEFC. Other Haploxerepts that have one or both of the following:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haploxerepts",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEFD": [
    {
      "content": "KEFD. Other Haploxerepts that have both:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 243,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFD",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KEFE": [
    {
      "content": "KEFE. Other Haploxerepts that have both:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Saturation with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Andic Oxyaquic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEFF": [
    {
      "content": "KEFF. Other Haploxerepts that have, in one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFG": [
    {
      "content": "KEFG. Other Haploxerepts that have both:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Saturation with water within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vitrandic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFG",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "KEFH": [
    {
      "content": "KEFH. Other Haploxerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KEFI": [
    {
      "content": "KEFI. Other Haploxerepts that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFJ": [
    {
      "content": "KEFJ. Other Haploxerepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFK": [
    {
      "content": "KEFK. Other Haploxerepts that have lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFL": [
    {
      "content": "KEFL. Other Haploxerepts that have fragic soil properties either:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Haploxerepts",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEFM": [
    {
      "content": "KEFM. Other Haploxerepts that meet one or both of the following:",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 244,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haploxerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KEFN": [
    {
      "content": "KEFN. Other Haploxerepts that have all of the following:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haploxerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KEFO": [
    {
      "content": "KEFO. Other Haploxerepts that have a calcic horizon or identifiable secondary carbonates within one of the following particle-size class and depth combinations:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFO",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A sandy or sandy-skeletal particle-size class and within 150 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A clayey, clayey-skeletal, fine, or very-fine particle-size class and within 90 cm of the mineral soil surface; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFO",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Any other particle-size class and within 110 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFO",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calcic Haploxerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFO",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "KEFP": [
    {
      "content": "KEFP. Other Haploxerepts that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) either throughout the upper 18 cm of the mineral soil (unmixed) or between the mineral soil surface and a depth of 18 cm after mixing.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haploxerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KEFQ": [
    {
      "content": "KEFQ. Other Haploxerepts.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Haploxerepts",
      "crit": "KEFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECA": [
    {
      "content": "KECA. Humixerepts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humixerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECB": [
    {
      "content": "KECB. Other Humixerepts that have both:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Humixerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECB",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "KECC": [
    {
      "content": "KECC. Other Humixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humixerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECD": [
    {
      "content": "KECD. Other Humixerepts that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Humixerepts",
      "chapter": 11,
      "page": 245,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "KECE": [
    {
      "content": "KECE. Other Humixerepts that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECF": [
    {
      "content": "KECF. Other Humixerepts that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KECG": [
    {
      "content": "KECG. Other Humixerepts that meet one or both of the following:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "KECH": [
    {
      "content": "KECH. Other Humixerepts that have all of the following:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. An umbric or mollic epipedon that is 50 cm or more thick; and",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Cumulic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "KECI": [
    {
      "content": "KECI. Other Humixerepts that have all of the following:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. At a depth of 125 cm below the mineral soil surface, an organic carbon content (Holocene age) of 0.2 percent or more and no densic, lithic, or paralithic contact within that depth; or",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECI",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "KECJ": [
    {
      "content": "KECJ. Other Humixerepts that have an umbric or mollic epipedon that is 50 cm or more thick.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECK": [
    {
      "content": "KECK. Other Humixerepts that do not have a cambic horizon and do not, in any part of the umbric or mollic epipedon, meet the requirements for a cambic horizon, except for the color requirements.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "KECL": [
    {
      "content": "KECL. Other Humixerepts.",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humixerepts",
      "chapter": 11,
      "page": 246,
      "key": "Key to Subgroups",
      "taxa": "Humixerepts",
      "crit": "KECL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IA": [
    {
      "content": "IA. Mollisols that have all of the following:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic or natric horizon; and",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An albic horizon that has chroma of 2 or less and is 2.5 cm or more thick, has its lower boundary 18 cm or more below the mineral soil surface, and either lies directly below the mollic epipedon or separates horizons that together meet all of the requirements for a mollic epipedon; and",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more subhorizons of the albic horizon and/or of the argillic or natric horizon and within 100 cm of the mineral soil surface, redox concentrations in the form of masses or concretions, or both, and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. A soil temperature regime that is warmer than cryic.",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Albolls, p. 248",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IA",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "IB": [
    {
      "content": "IB. Other Mollisols that have, in a layer above a densic, lithic, or paralithic contact or in a layer at a depth between 40 and 50 cm from the mineral soil surface, whichever is shallower, aquic conditions for some time in normal years (or artificial drainage) and one or more of the following:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "Elevated sodium 1. An exchangeable sodium percentage (ESP) of 15 or more (or a sodium adsorption ratio [SAR] of 13 or more) in the upper part of the mollic epipedon and a decrease in ESP (or SAR) values with increasing depth below 50 cm from the mineral soil surface; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "Diagnostic horizons 2. A histic epipedon overlying the mollic epipedon; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A calcic or petrocalcic horizon within 40 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "4. A mollic epipedon, with chroma of 1 or less, that extends to a lithic contact within 30 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "Colors in lower part of the mollic epipedon 5. One of the following colors:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "a. Chroma of 1 or less in the lower part of the mollic epipedon;* and either (1) Distinct or prominent redox concentrations in the lower part of the mollic epipedon; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) Either directly below the mollic epipedon or within 75 cm of the mineral soil surface if a calcic horizon intervenes, a color value, moist, of 4 or more and one of the following:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "(a) 50 percent or more chroma of 1 on faces of peds or in the matrix and:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 10YR or redder and redox concentrations; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 2.5Y or yellower; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "(b) 50 percent or more chroma of 2 or less on faces of peds or in the matrix, hue of 2.5Y, and redox concentrations; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 12,
      "logic": "OR"
    },
    {
      "content": "(c) 50 percent or more chroma of 3 or less on faces of peds or in the matrix, hue of 5Y, and redox concentrations; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 13,
      "logic": "OR"
    },
    {
      "content": "(d) 50 percent or more neutral colors with no hue (N) and zero chroma on faces of peds or in the matrix; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 14,
      "logic": "OR"
    },
    {
      "content": "(e) Gley colors with hue of 5GY, 5G, 5BG, or 5B; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 15,
      "logic": "OR"
    },
    {
      "content": "or (f) Any color if it results from uncoated sand grains; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 16,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 2 in the lower part of the mollic epipedon and either:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 17,
      "logic": "OR"
    },
    {
      "content": "(1) Distinct or prominent redox concentrations in the lower part of the mollic epipedon; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 18,
      "logic": "OR"
    },
    {
      "content": "(2) Directly below the mollic epipedon, one of the following matrix colors:",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 19,
      "logic": "OR"
    },
    {
      "content": "(a) A color value, moist, of 4, chroma of 2, and some redox depletions with a color value, moist, of 4 or more and chroma of 1 or less; or",
      "chapter": 12,
      "page": 247,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 20,
      "logic": "OR"
    },
    {
      "content": "(b) A color value, moist, of 5 or more, chroma of 2 or less, and redox concentrations; or",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 22,
      "logic": "OR"
    },
    {
      "content": "(c) A color value, moist, of 4 and chroma of 1 or less; or",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 23,
      "logic": "OR"
    },
    {
      "content": "Positive reaction to alpha,alpha-dipyridyl 6. At a depth between 40 and 50 cm from the mineral soil surface, enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 24,
      "logic": "END"
    },
    {
      "content": "Aquolls, p. 249",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IB",
      "clause": 25,
      "logic": "NEW"
    }
  ],
  "IC": [
    {
      "content": "IC. Other Mollisols that:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a mollic epipedon that is less than 50 cm thick; and",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Do not have an argillic or calcic horizon; and",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have, either within or directly below the mollic epipedon, a CaCO3 equivalent of 40 percent or more in the mineral soil materials that are less than 75 mm in diameter; and",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 4. Have either or both:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. A udic soil moisture regime; or",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A cryic soil temperature regime.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Rendolls, p. 258",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IC",
      "clause": 8,
      "logic": "NEW"
    }
  ],
  "ID": [
    {
      "content": "ID. Other Mollisols that have a gelic soil temperature regime.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "ID",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelolls, p. 257",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "ID",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IE": [
    {
      "content": "IE. Other Mollisols that have a cryic soil temperature regime.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryolls, p. 253",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IF": [
    {
      "content": "IF. Other Mollisols that have either a xeric soil moisture regime or an aridic soil moisture regime that borders on xeric.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerolls, p. 283",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IG": [
    {
      "content": "IG. Other Mollisols that have either an ustic soil moisture regime or an aridic soil moisture regime that borders on ustic.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustolls, p. 267",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IH": [
    {
      "content": "IH. Other Mollisols.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udolls, p. 259",
      "chapter": 12,
      "page": 248,
      "key": "Key to Suborders",
      "taxa": "Mollisols",
      "crit": "IH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IAA": [
    {
      "content": "IAA. Albolls that have a natric horizon.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Great Groups",
      "taxa": "Albolls",
      "crit": "IAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natralbolls, p. 249",
      "chapter": 12,
      "page": 248,
      "key": "Key to Great Groups",
      "taxa": "Albolls",
      "crit": "IAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IAB": [
    {
      "content": "IAB. Other Albolls.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Great Groups",
      "taxa": "Albolls",
      "crit": "IAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argialbolls, p. 248",
      "chapter": 12,
      "page": 248,
      "key": "Key to Great Groups",
      "taxa": "Albolls",
      "crit": "IAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IABA": [
    {
      "content": "IABA. Argialbolls that have both:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or both of the following:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated, a moisture control section that in normal years is dry in all parts for 45 or more consecutive days during the 120 days following the summer solstice.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xerertic Argialbolls",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IABB": [
    {
      "content": "IABB. Other Argialbolls that have one or both of the following:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower..",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argialbolls",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IABC": [
    {
      "content": "IABC. Other Argialbolls that:",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have an abrupt textural change from the albic to the argillic horizon; and",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated, have a moisture control section that in normal years is dry in all parts for 45 or more consecutive days during the 120 days following the summer solstice.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Argiaquic Xeric Argialbolls",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IABD": [
    {
      "content": "IABD. Other Argialbolls that do not have an abrupt textural change from the albic to the argillic horizon.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiaquic Argialbolls",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IABE": [
    {
      "content": "IABE. Other Argialbolls that, if not irrigated, have a moisture control section that in normal years is dry in all parts for 45 or more consecutive days during the 120 days following the summer solstice.",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Argialbolls",
      "chapter": 12,
      "page": 248,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IABF": [
    {
      "content": "IABF. Other Argialbolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Argialbolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IABG": [
    {
      "content": "IABG. Other Argialbolls.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argialbolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argialbolls",
      "crit": "IABG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IAAA": [
    {
      "content": "IAAA. Natralbolls that have visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Natralbolls",
      "crit": "IAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Natralbolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Natralbolls",
      "crit": "IAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IAAB": [
    {
      "content": "IAAB. Other Natralbolls.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Natralbolls",
      "crit": "IAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natralbolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Natralbolls",
      "crit": "IAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBA": [
    {
      "content": "IBA. Aquolls that have a cryic soil temperature regime.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaquolls, p. 250",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBB": [
    {
      "content": "IBB. Other Aquolls that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duraquolls, p. 250",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBC": [
    {
      "content": "IBC. Other Aquolls that have a natric horizon.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natraquolls, p. 253",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBD": [
    {
      "content": "IBD. Other Aquolls that have a calcic or gypsic horizon within 40 cm of the mineral soil surface but do not have an argillic horizon unless it is a buried horizon.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calciaquolls, p. 250",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBE": [
    {
      "content": "IBE. Other Aquolls that have an argillic horizon.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiaquolls, p. 249",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBF": [
    {
      "content": "IBF.   Other Aquolls that have episaturation.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquolls, p. 252",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBG": [
    {
      "content": "IBG. Other Aquolls.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquolls, p. 251",
      "chapter": 12,
      "page": 249,
      "key": "Key to Great Groups",
      "taxa": "Aquolls",
      "crit": "IBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBEA": [
    {
      "content": "IBEA. Argiaquolls that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Argiaquolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBEB": [
    {
      "content": "IBEB. Other Argiaquolls that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Argiaquolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBEC": [
    {
      "content": "IBEC. Other Argiaquolls that have one or both of the following:",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argiaquolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBED": [
    {
      "content": "IBED. Other Argiaquolls that have one or both of the following:",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBED",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Argiaquolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBEE": [
    {
      "content": "IBEE. Other Argiaquolls.",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argiaquolls",
      "chapter": 12,
      "page": 249,
      "key": "Key to Subgroups",
      "taxa": "Argiaquolls",
      "crit": "IBEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBDA": [
    {
      "content": "IBDA. Calciaquolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calciaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBDB": [
    {
      "content": "IBDB. Other Calciaquolls that either have 50 percent or more chroma of 3 or more on faces of peds or in the matrix of one or more horizons within 75 cm of the mineral soil surface or have the following colors directly below the mollic epipedon:",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or yellower and chroma of 3 or more; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 10YR or redder and chroma of 2 or more; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Hue of 2.5Y or yellower and chroma of 2 or more if there are no distinct or prominent redox concentrations.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aeric Calciaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IBDC": [
    {
      "content": "IBDC. Other Calciaquolls.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Calciaquolls",
      "crit": "IBDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAA": [
    {
      "content": "IBAA. Cryaquolls that have one or both of the following:",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBAB": [
    {
      "content": "IBAB. Other Cryaquolls that have a histic epipedon.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAC": [
    {
      "content": "IBAC. Other Cryaquolls that have a buried layer of organic soil materials, 40 cm or more thick, that has its upper boundary within 200 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAD": [
    {
      "content": "IBAD. Other Cryaquolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IBAE": [
    {
      "content": "IBAE. Other Cryaquolls that have an argillic horizon.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAF": [
    {
      "content": "IBAF. Other Cryaquolls that have a calcic horizon either within or directly below the mollic epipedon.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAG": [
    {
      "content": "IBAG. Other Cryaquolls that have a mollic epipedon that is 50 cm or more thick.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cumulic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBAH": [
    {
      "content": "IBAH. Other Cryaquolls that meet one or both of the following:",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBAI": [
    {
      "content": "IBAI. Other Cryaquolls.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Cryaquolls",
      "crit": "IBAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBBA": [
    {
      "content": "IBBA. Duraquolls that have a natric horizon.",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Duraquolls",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBBB": [
    {
      "content": "IBBB. Other Duraquolls that have one or both of the following:",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks between the soil surface and the top of the duripan that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that is above the duripan; or",
      "chapter": 12,
      "page": 250,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and the top of the duripan.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Duraquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBBC": [
    {
      "content": "IBBC. Other Duraquolls that have an argillic horizon.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Duraquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBBD": [
    {
      "content": "IBBD. Other Duraquolls.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duraquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Duraquolls",
      "crit": "IBBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGA": [
    {
      "content": "IBGA. Endoaquolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGB": [
    {
      "content": "IBGB. Other Endoaquolls that have both of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 60 cm or more thick; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Cumulic Vertic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IBGC": [
    {
      "content": "IBGC. Other Endoaquolls that have all of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Vertic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGC",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "IBGD": [
    {
      "content": "IBGD. Other Endoaquolls that have one or both of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBGE": [
    {
      "content": "IBGE. Other Endoaquolls that have a histic epipedon.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGF": [
    {
      "content": "IBGF. Other Endoaquolls that have a buried layer of organic soil materials, 40 cm or more thick, that has its upper boundary within 200 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGG": [
    {
      "content": "IBGG. Other Endoaquolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Endoaquolls",
      "chapter": 12,
      "page": 251,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IBGH": [
    {
      "content": "IBGH. Other Endoaquolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Endoaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGI": [
    {
      "content": "IBGI. Other Endoaquolls that have a mollic epipedon that is 60 cm or more thick.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cumulic Endoaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBGJ": [
    {
      "content": "IBGJ. Other Endoaquolls that meet one or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Endoaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBGK": [
    {
      "content": "IBGK. Other Endoaquolls that have all of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Endoaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGK",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IBGL": [
    {
      "content": "IBGL. Other Endoaquolls.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Endoaquolls",
      "crit": "IBGL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBFA": [
    {
      "content": "IBFA. Epiaquolls that have both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 60 cm or more thick; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Cumulic Vertic Epiaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IBFB": [
    {
      "content": "IBFB. Other Epiaquolls that have all of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Vertic Epiaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFB",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "IBFC": [
    {
      "content": "IBFC. Other Epiaquolls that have one or both of the following:",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Epiaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBFD": [
    {
      "content": "IBFD. Other Epiaquolls that have a histic epipedon.",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Epiaquolls",
      "chapter": 12,
      "page": 252,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBFE": [
    {
      "content": "IBFE. Other Epiaquolls that have a buried layer of organic soil materials, 40 cm or more thick, that has its upper boundary within 200 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Thapto-Histic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBFF": [
    {
      "content": "IBFF. Other Epiaquolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IBFG": [
    {
      "content": "IBFG. Other Epiaquolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBFH": [
    {
      "content": "IBFH. Other Epiaquolls that have a mollic epipedon that is 60 cm or more thick.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cumulic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBFI": [
    {
      "content": "IBFI. Other Epiaquolls that meet one or both of the following:",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBFJ": [
    {
      "content": "IBFJ. Other Epiaquolls that have all of the following:",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFJ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IBFK": [
    {
      "content": "IBFK. Other Epiaquolls.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Epiaquolls",
      "crit": "IBFK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBCA": [
    {
      "content": "IBCA. Natraquolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Natraquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBCB": [
    {
      "content": "IBCB. Other Natraquolls that have one or both of the following:",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natraquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IBCC": [
    {
      "content": "IBCC. Other Natraquolls that have a glossic horizon or interfingering of albic materials into the natric horizon.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Natraquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IBCD": [
    {
      "content": "IBCD. Other Natraquolls.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natraquolls",
      "chapter": 12,
      "page": 253,
      "key": "Key to Subgroups",
      "taxa": "Natraquolls",
      "crit": "IBCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEA": [
    {
      "content": "IEA. Cryolls that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duricryolls, p. 255",
      "chapter": 12,
      "page": 253,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEB": [
    {
      "content": "IEB. Other Cryolls that have a natric horizon.",
      "chapter": 12,
      "page": 253,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natricryolls, p. 257",
      "chapter": 12,
      "page": 253,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEC": [
    {
      "content": "IEC. Other Cryolls that have both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has its upper boundary 60 cm or more below the mineral soil surface; and",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A texture class finer than loamy fine sand in all horizons above the argillic horizon.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Palecryolls, p. 257",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEC",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "IED": [
    {
      "content": "IED. Other Cryolls that have an argillic horizon.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argicryolls, p. 254",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEE": [
    {
      "content": "IEE. Other Cryolls that have both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic or petrocalcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all parts above the calcic or petrocalcic horizon, after the materials between the soil surface and a depth of 18 cm have been mixed, either free carbonates or a texture class of loamy fine sand or coarser.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcicryolls, p. 255",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "IEF": [
    {
      "content": "IEF. Other Cryolls.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryolls, p. 255",
      "chapter": 12,
      "page": 254,
      "key": "Key to Great Groups",
      "taxa": "Cryolls",
      "crit": "IEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDA": [
    {
      "content": "IEDA. Argicryolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDB": [
    {
      "content": "IEDB. Other Argicryolls that have one or both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEDC": [
    {
      "content": "IEDC. Other Argicryolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDD": [
    {
      "content": "IEDD. Other Argicryolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the soil surface, one or both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IEDE": [
    {
      "content": "IEDE. Other Argicryolls that have one or both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEDF": [
    {
      "content": "IEDF. Other Argicryolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDG": [
    {
      "content": "IEDG. Other Argicryolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEDH": [
    {
      "content": "IEDH. Other Argicryolls that have both of the following:",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcic Pachic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEDI": [
    {
      "content": "IEDI. Other Argicryolls that have a mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Argicryolls",
      "chapter": 12,
      "page": 254,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDJ": [
    {
      "content": "IEDJ. Other Argicryolls that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Argicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDK": [
    {
      "content": "IEDK. Other Argicryolls that have either:",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDK",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Above the argillic horizon, an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon; or",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A glossic horizon, or interfingering of albic materials into the upper part of the argillic horizon, or skeletans of clean silt and sand covering 50 percent or more of the faces of peds in the upper 5 cm of the argillic horizon.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Argicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEDL": [
    {
      "content": "IEDL. Other Argicryolls that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Argicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDM": [
    {
      "content": "IEDM. Other Argicryolls that have a xeric soil moisture regime.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Argicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEDN": [
    {
      "content": "IEDN. Other Argicryolls.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Argicryolls",
      "crit": "IEDN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEEA": [
    {
      "content": "IEEA. Calcicryolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEEB": [
    {
      "content": "IEEB. Other Calcicryolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IEEC": [
    {
      "content": "IEEC. Other Calcicryolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEED": [
    {
      "content": "IEED. Other Calcicryolls that have a mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEEE": [
    {
      "content": "IEEE. Other Calcicryolls that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEEF": [
    {
      "content": "IEEF. Other Calcicryolls that have a xeric soil moisture regime.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEEG": [
    {
      "content": "IEEG. Other Calcicryolls.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcicryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Calcicryolls",
      "crit": "IEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEAA": [
    {
      "content": "IEAA. Duricryolls that have an argillic horizon.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Duricryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEAB": [
    {
      "content": "IEAB. Other Duricryolls that have a calcic horizon above the duripan.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Duricryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEAC": [
    {
      "content": "IEAC. Other Duricryolls.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duricryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Duricryolls",
      "crit": "IEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFA": [
    {
      "content": "IEFA. Haplocryolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFB": [
    {
      "content": "IEFB. Other Haplocryolls that have one or both of the following:",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplocryolls",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEFC": [
    {
      "content": "IEFC. Other Haplocryolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 255,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFD": [
    {
      "content": "IEFD. Other Haplocryolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IEFE": [
    {
      "content": "IEFE. Other Haplocryolls that have all of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "5. In one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquic Cumulic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IEFF": [
    {
      "content": "IEFF. Other Haplocryolls that have all of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Cumulic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IEFG": [
    {
      "content": "IEFG. Other Haplocryolls that meet one or both of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEFH": [
    {
      "content": "IEFH. Other Haplocryolls that have all of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. In one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IEFI": [
    {
      "content": "IEFI. Other Haplocryolls that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFJ": [
    {
      "content": "IEFJ. Other Haplocryolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEFK": [
    {
      "content": "IEFK. Other Haplocryolls that have both of the following:",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcic Pachic Haplocryolls",
      "chapter": 12,
      "page": 256,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IEFL": [
    {
      "content": "IEFL. Other Haplocryolls that have a mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFM": [
    {
      "content": "IEFM. Other Haplocryolls that have all of the following:",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFM",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IEFN": [
    {
      "content": "IEFN. Other Haplocryolls that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFO": [
    {
      "content": "IEFO. Other Haplocryolls that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFP": [
    {
      "content": "IEFP. Other Haplocryolls that have a xeric soil moisture regime.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEFQ": [
    {
      "content": "IEFQ. Other Haplocryolls.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplocryolls",
      "crit": "IEFQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IEBA": [
    {
      "content": "IEBA. All Natricryolls.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Natricryolls",
      "crit": "IEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natricryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Natricryolls",
      "crit": "IEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IECA": [
    {
      "content": "IECA. Palecryolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IECB": [
    {
      "content": "IECB. Other Palecryolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IECC": [
    {
      "content": "IECC. Other Palecryolls that have one or both of the following:",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IECD": [
    {
      "content": "IECD. Other Palecryolls that have a mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IECE": [
    {
      "content": "IECE. Other Palecryolls that are dry in some part of the moisture control section for 45 or more days (cumulative) in normal years.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IECF": [
    {
      "content": "IECF. Other Palecryolls that have a xeric soil moisture regime.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IECG": [
    {
      "content": "IECG. Other Palecryolls.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palecryolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Palecryolls",
      "crit": "IECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDA": [
    {
      "content": "IDA. All Gelolls.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Great Groups",
      "taxa": "Gelolls",
      "crit": "IDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplogelolls, p. 257",
      "chapter": 12,
      "page": 257,
      "key": "Key to Great Groups",
      "taxa": "Gelolls",
      "crit": "IDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDAA": [
    {
      "content": "IDAA. Haplogelolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplogelolls",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDAB": [
    {
      "content": "IDAB. Other Haplogelolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 257,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDAC": [
    {
      "content": "IDAC. Other Haplogelolls that have, in one or more horizons within 100 cm of the mineral soil surface, distinct or prominent redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDAD": [
    {
      "content": "IDAD. Other Haplogelolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IDAE": [
    {
      "content": "IDAE. Other Haplogelolls that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IDAF": [
    {
      "content": "IDAF. Other Haplogelolls that have both of the following:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Cumulic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IDAG": [
    {
      "content": "IDAG. Other Haplogelolls that have all of the following:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Less than 50 cm (total thickness) of human-transported material in the surface horizons; and",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) A depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "or (2) A densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAG",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IDAH": [
    {
      "content": "IDAH. Other Haplogelolls that have both of the following:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 40 cm or more thick; and",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IDAI": [
    {
      "content": "IDAI. Other Haplogelolls.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplogelolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haplogelolls",
      "crit": "IDAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICA": [
    {
      "content": "ICA. Rendolls that have a cryic soil temperature regime.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Great Groups",
      "taxa": "Rendolls",
      "crit": "ICA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryrendolls, p. 258",
      "chapter": 12,
      "page": 258,
      "key": "Key to Great Groups",
      "taxa": "Rendolls",
      "crit": "ICA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICB": [
    {
      "content": "ICB. Other Rendolls.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Great Groups",
      "taxa": "Rendolls",
      "crit": "ICB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haprendolls, p. 258",
      "chapter": 12,
      "page": 258,
      "key": "Key to Great Groups",
      "taxa": "Rendolls",
      "crit": "ICB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICAA": [
    {
      "content": "ICAA. Cryrendolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Cryrendolls",
      "crit": "ICAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryrendolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Cryrendolls",
      "crit": "ICAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICAB": [
    {
      "content": "ICAB. Other Cryrendolls.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Cryrendolls",
      "crit": "ICAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryrendolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Cryrendolls",
      "crit": "ICAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICBA": [
    {
      "content": "ICBA. Haprendolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haprendolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICBB": [
    {
      "content": "ICBB. Other Haprendolls that have one or both of the following:",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haprendolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ICBC": [
    {
      "content": "ICBC. Other Haprendolls that have a cambic horizon.",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Haprendolls",
      "chapter": 12,
      "page": 258,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICBD": [
    {
      "content": "ICBD. Other Haprendolls that have a color value, dry, of 6 or more either in the upper 18 cm of the mollic epipedon, after mixing, or in an Ap horizon that is 18 cm or more thick.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Haprendolls",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ICBE": [
    {
      "content": "ICBE. Other Haprendolls.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haprendolls",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Haprendolls",
      "crit": "ICBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHA": [
    {
      "content": "IHA. Udolls that have a natric horizon.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrudolls, p. 265",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHB": [
    {
      "content": "IHB. Other Udolls that:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a calcic or petrocalcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have an argillic horizon above the calcic or petrocalcic horizon; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have free carbonates in all parts above the calcic or petrocalcic horizon, after the materials between the soil surface and a depth of 18 cm have been mixed.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calciudolls, p. 262",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHB",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "IHC": [
    {
      "content": "IHC. Other Udolls that have one or both of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. All of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. No densic, lithic, or paralithic contact within 150 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. Within 150 cm of the mineral soil surface, a clay decrease, with increasing depth, of less than 20 percent (relative) from the maximum noncarbonate clay content; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and c. One or more of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) In 50 percent or more of the matrix of one or more subhorizons in the lower half of the argillic horizon, hue of 7.5YR or redder and chroma of 5 or more; or",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(2) In 50 percent or more of the matrix of horizons that total more than one-half the total thickness of the argillic horizon, hue of 2.5YR or redder, a value, moist, of 3 or less, and a value, dry, of 4 or less; or",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(3) Many redox concentrations with hue of 5YR or redder or chroma of 6 or more, or both, in one or more subhorizons of the argillic horizon; or",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "2. A frigid soil temperature regime and both of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "a. An argillic horizon that has its upper boundary 60 cm or more below the mineral soil surface; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "b. A texture class finer than loamy fine sand in all horizons above the argillic horizon.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Paleudolls, p. 266",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHC",
      "clause": 12,
      "logic": "NEW"
    }
  ],
  "IHD": [
    {
      "content": "IHD. Other Udolls that have an argillic horizon.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiudolls, p. 259",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHE": [
    {
      "content": "IHE. Other Udolls that have a mollic epipedon that:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Either below an Ap horizon or below a depth of 18 cm from the mineral soil surface* , contains 50 percent or more (by volume) wormholes, wormcasts, or filled animal burrows; and",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either rests on a lithic contact or has a transition zone to the underlying horizon in which 25 percent or more of the soil volume consists of discrete wormholes, wormcasts, or animal burrows filled with material from the mollic epipedon and from the underlying horizon.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vermudolls, p. 267",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHE",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "IHF": [
    {
      "content": "IHF. Other Udolls.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapludolls, p. 262",
      "chapter": 12,
      "page": 259,
      "key": "Key to Great Groups",
      "taxa": "Udolls",
      "crit": "IHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDA": [
    {
      "content": "IHDA. Argiudolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argiudolls",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDB": [
    {
      "content": "IHDB. Other Argiudolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Argiudolls",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDC": [
    {
      "content": "IHDC. Other Argiudolls that have both of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 259,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Aquertic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDC",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "IHDD": [
    {
      "content": "IHDD. Other Argiudolls that have both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In normal years, saturation with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Vertic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IHDE": [
    {
      "content": "IHDE. Other Argiudolls that have both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Pachic Vertic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IHDF": [
    {
      "content": "IHDF. Other Argiudolls that have:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Above the argillic horizon, an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A glossic horizon, or interfingering of albic materials into the upper part of the argillic horizon, or skeletans of clean silt and sand covering 50 percent or more of the faces of peds in the upper 5 cm of the argillic horizon; and",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Alfic Vertic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHDG": [
    {
      "content": "IHDG. Other Argiudolls that have one or both of the following:",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHDH": [
    {
      "content": "IHDH. Other Argiudolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Argiudolls",
      "chapter": 12,
      "page": 260,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDI": [
    {
      "content": "IHDI. Other Argiudolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IHDJ": [
    {
      "content": "IHDJ. Other Argiudolls that have both of the following:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 2. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquic Pachic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDJ",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IHDK": [
    {
      "content": "IHDK. Other Argiudolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDK",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 50 cm or more thick.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHDL": [
    {
      "content": "IHDL. Other Argiudolls that have aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Hue of 2.5Y or yellower and chroma of 3 or less.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDL",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHDM": [
    {
      "content": "IHDM. Other Argiudolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHDN": [
    {
      "content": "IHDN. Other Argiudolls that have an argillic horizon that:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDN",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHDO": [
    {
      "content": "IHDO. Other Argiudolls that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDP": [
    {
      "content": "IHDP. Other Argiudolls that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more.",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Argiudolls",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDQ": [
    {
      "content": "IHDQ. Other Argiudolls that have one or both of the following:",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 261,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDQ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Argiudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDQ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHDR": [
    {
      "content": "IHDR. Other Argiudolls that have either:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDR",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Above the argillic horizon, an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon; or",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDR",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A glossic horizon, or interfingering of albic materials into the upper part of the argillic horizon, or skeletans of clean silt and sand covering 50 percent or more of the faces of peds in the upper 5 cm of the argillic horizon.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDR",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Argiudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDR",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHDS": [
    {
      "content": "IHDS. Other Argiudolls that have a CEC of less than 24 cmol(+)/kg clay (by 1N NH4 OAc pH 7) in 50 percent or more either of the argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Oxic Argiudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDT": [
    {
      "content": "IHDT. Other Argiudolls that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Argiudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHDU": [
    {
      "content": "IHDU. Other Argiudolls.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argiudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Argiudolls",
      "crit": "IHDU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHBA": [
    {
      "content": "IHBA. Calciudolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHBB": [
    {
      "content": "IHBB. Other Calciudolls that have one or both of the following:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHBC": [
    {
      "content": "IHBC. Other Calciudolls that have both of the following:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An anthropic epipedon; and",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A petrocalcic horizon that formed in human-transported material within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Anthropic Petrocalcic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHBD": [
    {
      "content": "IHBD. Other Calciudolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHBE": [
    {
      "content": "IHBE. Other Calciudolls that meet one or both of the following:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHBF": [
    {
      "content": "IHBF. Other Calciudolls that have all of the following:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHBG": [
    {
      "content": "IHBG. Other Calciudolls.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciudolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Calciudolls",
      "crit": "IHBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHFA": [
    {
      "content": "IHFA. Hapludolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapludolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHFB": [
    {
      "content": "IHFB. Other Hapludolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Hapludolls",
      "chapter": 12,
      "page": 262,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHFC": [
    {
      "content": "IHFC. Other Hapludolls that have both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquertic Hapludolls",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFC",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IHFD": [
    {
      "content": "IHFD. Other Hapludolls that have both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Pachic Vertic Hapludolls",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFD",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IHFE": [
    {
      "content": "IHFE. Other Hapludolls that have one or both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Hapludolls",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFF": [
    {
      "content": "IHFF. Other Hapludolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al + 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Hapludolls",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHFG": [
    {
      "content": "IHFG. Other Hapludolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Hapludolls",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IHFH": [
    {
      "content": "IHFH. Other Hapludolls that have all of the following:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either:",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a mollic epipedon that is 40 cm or more thick, of which less than 50 percent meets sandy or sandy-skeletal particle-size class criteria, and there is no densic or paralithic contact and no sandy or sandy-skeletal particle-size class at a depth between 40 and 50 cm from the mineral soil surface; or",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mollic epipedon that is 60 cm or more thick, of which 50 percent or more of the thickness has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 263,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "5. One or both of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquic Cumulic Hapludolls",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFH",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IHFI": [
    {
      "content": "IHFI. Other Hapludolls that have all of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Either:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a mollic epipedon that is 40 cm or more thick, of which less than 50 percent meets sandy or sandy-skeletal particle-size class criteria, and there is no densic or paralithic contact and no sandy or sandy-skeletal particle-size class at a depth between 40 and 50 cm from the mineral soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mollic epipedon that is 60 cm or more thick, of which 50 percent or more of the thickness has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Cumulic Hapludolls",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFI",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "IHFJ": [
    {
      "content": "IHFJ. Other Hapludolls that meet one or both of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Hapludolls",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFK": [
    {
      "content": "IHFK. Other Hapludolls that have all of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "and 4. One or both of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Hapludolls",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFK",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "IHFL": [
    {
      "content": "IHFL. Other Hapludolls that have all of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 264,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFL",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHFM": [
    {
      "content": "IHFM. Other Hapludolls that have both of the following:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 2. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquic Pachic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFM",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IHFN": [
    {
      "content": "IHFN. Other Hapludolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 50 cm or more thick.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFO": [
    {
      "content": "IHFO. Other Hapludolls that have aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Hue of 2.5Y or yellower and chroma of 3 or less.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFO",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IHFP": [
    {
      "content": "IHFP. Other Hapludolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFQ": [
    {
      "content": "IHFQ. Other Hapludolls that have both:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 60 cm or more thick that has a texture class finer than loamy fine sand and contains 50 percent or more (by volume) wormholes, wormcasts, or filled animal burrows either below an Ap horizon or below a depth of 18 cm from the mineral soil surface* ; and",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either do not have a cambic horizon and do not, in the lower part of the mollic epipedon, meet the requirements for a cambic horizon, except for the color requirements, or have free carbonates throughout either the cambic horizon or the lower part of the mollic epipedon.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFQ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vermic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFQ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFR": [
    {
      "content": "IHFR. Other Hapludolls that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHFS": [
    {
      "content": "IHFS. Other Hapludolls that either:",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFS",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFS",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have free carbonates throughout the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHFT": [
    {
      "content": "IHFT. Other Hapludolls.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapludolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Hapludolls",
      "crit": "IHFT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHAA": [
    {
      "content": "IHAA. Natrudolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Natrudolls",
      "chapter": 12,
      "page": 265,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHAB": [
    {
      "content": "IHAB. Other Natrudolls that have both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Leptic Vertic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IHAC": [
    {
      "content": "IHAC. Other Natrudolls that have both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glossic horizon or interfingering of albic materials into the natric horizon; and",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Glossic Vertic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IHAD": [
    {
      "content": "IHAD. Other Natrudolls that have one or both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHAE": [
    {
      "content": "IHAE. Other Natrudolls that have visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHAF": [
    {
      "content": "IHAF. Other Natrudolls that have one or both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A natric horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the natric horizon.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Abruptic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHAG": [
    {
      "content": "IHAG. Other Natrudolls that have a glossic horizon or interfingering of albic materials into the natric horizon.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHAH": [
    {
      "content": "IHAH. Other Natrudolls that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHAI": [
    {
      "content": "IHAI. Other Natrudolls.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Natrudolls",
      "crit": "IHAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHCA": [
    {
      "content": "IHCA. Paleudolls that have one or both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleudolls",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHCB": [
    {
      "content": "IHCB. Other Paleudolls that have both of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Aquic conditions for some time in normal years (or artificial drainage) either:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Within 40 cm of the mineral soil surface, in horizons that also have redoximorphic features; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Within 75 cm of the mineral soil surface, in one or more horizons with a total thickness of 15 cm or more that have one or more of the following:",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(1) A color value, moist, of 4 or more and redox depletions with chroma of 2 or less; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(2) Hue of 10YR or redder and chroma of 2 or less; or",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "or (3) Hue of 2.5Y or yellower and chroma of 3 or less; and",
      "chapter": 12,
      "page": 266,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 2. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquic Pachic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCB",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IHCC": [
    {
      "content": "IHCC. Other Paleudolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is 50 cm or more thick.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHCD": [
    {
      "content": "IHCD. Other Paleudolls that have, in one or more subhorizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHCE": [
    {
      "content": "IHCE. Other Paleudolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHCF": [
    {
      "content": "IHCF. Other Paleudolls that have both of the following:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all parts above the calcic horizon, after the materials between the soil surface and a depth of 18 cm have been mixed, either free carbonates or a texture class of loamy fine sand or coarser.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IHCG": [
    {
      "content": "IHCG. Other Paleudolls.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Paleudolls",
      "crit": "IHCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHEA": [
    {
      "content": "IHEA. Vermudolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vermudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHEB": [
    {
      "content": "IHEB. Other Vermudolls that have a mollic epipedon that is less than 75 cm thick.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Vermudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IHEC": [
    {
      "content": "IHEC. Other Vermudolls.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vermudolls",
      "chapter": 12,
      "page": 267,
      "key": "Key to Subgroups",
      "taxa": "Vermudolls",
      "crit": "IHEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGA": [
    {
      "content": "IGA. Ustolls that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durustolls, p. 273",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGB": [
    {
      "content": "IGB. Other Ustolls that have a natric horizon.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrustolls, p. 279",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGC": [
    {
      "content": "IGC. Other Ustolls that:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have either a calcic or gypsic horizon within 100 cm of the mineral soil surface or a petrocalcic horizon within 150 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have an argillic horizon above the calcic, gypsic, or petrocalcic horizon; and",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In all parts above the calcic, gypsic, or petrocalcic horizon, after the materials between the soil surface and a depth of 18 cm have been mixed, have either free carbonates or a texture class of loamy fine sand or coarser.",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calciustolls, p. 271",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGC",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "IGD": [
    {
      "content": "IGD. Other Ustolls that have either:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A petrocalcic horizon within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An argillic horizon that has one or both of the following:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. With increasing depth, no clay decrease of 20 percent or more (relative) from the maximum noncarbonate clay content within 150 cm of the mineral soil surface (and there is no densic, lithic, or paralithic contact within that depth); and either (1) Hue of 7.5YR or redder and chroma of 5 or more in the matrix; or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(2) Common redox concentrations with hue of 7.5YR or redder or chroma of 6 or more, or both; or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. 35 percent or more noncarbonate clay throughout one or more subhorizons in its upper part, and one or both of the following:",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) A clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the argillic horizon or at its upper boundary (and there is no densic, lithic, or paralithic contact within 50 cm of the mineral soil surface); or",
      "chapter": 12,
      "page": 267,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon (and there is no densic, lithic, or paralithic contact within 50 cm of the mineral soil surface).",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Paleustolls, p. 281",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGD",
      "clause": 9,
      "logic": "NEW"
    }
  ],
  "IGE": [
    {
      "content": "IGE. Other Ustolls that have an argillic horizon.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiustolls, p. 268",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGF": [
    {
      "content": "IGF. Other Ustolls that have a mollic epipedon that:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Either below an Ap horizon or below a depth of 18 cm from the mineral soil surface* , contains 50 percent or more (by volume) wormholes, wormcasts, or filled animal burrows; and",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either rests on a lithic contact or has a transition zone to the underlying horizon in which 25 percent or more of the soil volume consists of discrete wormholes, wormcasts, or animal burrows filled with material from the mollic epipedon and from the underlying horizon.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vermustolls, p. 283",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGF",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "IGG": [
    {
      "content": "IGG. Other Ustolls.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustolls, p. 273",
      "chapter": 12,
      "page": 268,
      "key": "Key to Great Groups",
      "taxa": "Ustolls",
      "crit": "IGG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGEA": [
    {
      "content": "IGEA. Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Argiustolls",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEA",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IGEB": [
    {
      "content": "IGEB. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Above the argillic horizon, either an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Lithic Argiustolls",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGEC": [
    {
      "content": "IGEC. Other Argiustolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argiustolls",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGED": [
    {
      "content": "IGED. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Argiustolls",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGED",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGEE": [
    {
      "content": "IGEE. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 268,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Torrertic Argiustolls",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEE",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "IGEF": [
    {
      "content": "IGEF. Other Argiustolls that have all of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 3. One or both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Pachic Udertic Argiustolls",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEF",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGEG": [
    {
      "content": "IGEG. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Argiustolls",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEG",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGEH": [
    {
      "content": "IGEH. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 269,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Pachic Vertic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGEI": [
    {
      "content": "IGEI. Other Argiustolls that have one or both of the following:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGEJ": [
    {
      "content": "IGEJ. Other Argiustolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGEK": [
    {
      "content": "IGEK. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 11,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEK",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "IGEL": [
    {
      "content": "IGEL. Other Argiustolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEL",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGEM": [
    {
      "content": "IGEM. Other Argiustolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGEN": [
    {
      "content": "IGEN. Other Argiustolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Argiustolls",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGEO": [
    {
      "content": "IGEO. Other Argiustolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 270,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEO",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 50 cm or more thick.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGEP": [
    {
      "content": "IGEP. Other Argiustolls that have either:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEP",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Above the argillic horizon, an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A glossic horizon, or interfingering of albic materials into the upper part of the argillic horizon, or skeletans of clean silt and sand covering 50 percent or more of the faces of peds in the upper 5 cm of the argillic horizon.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGEQ": [
    {
      "content": "IGEQ. Other Argiustolls that have both of the following:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within 100 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Calcidic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEQ",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IGER": [
    {
      "content": "IGER. Other Argiustolls that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGER",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGES": [
    {
      "content": "IGES. Other Argiustolls that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGES",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGES",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGES",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGES",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGET": [
    {
      "content": "IGET. Other Argiustolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either is brittle and has some opal coats or has 20 percent or more (by volume) durinodes.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGET",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGET",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGEU": [
    {
      "content": "IGEU. Other Argiustolls.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argiustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Argiustolls",
      "crit": "IGEU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCA": [
    {
      "content": "IGCA. Calciustolls that have a salic horizon within 75 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salidic Calciustolls",
      "chapter": 12,
      "page": 271,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCB": [
    {
      "content": "IGCB. Other Calciustolls that have a petrocalcic horizon and a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Petrocalcic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCC": [
    {
      "content": "IGCC. Other Calciustolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCD": [
    {
      "content": "IGCD. Other Calciustolls that have both of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCD",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGCE": [
    {
      "content": "IGCE. Other Calciustolls that have both of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGCF": [
    {
      "content": "IGCF. Other Calciustolls that have one or both of the following:",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGCG": [
    {
      "content": "IGCG. Other Calciustolls that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCH": [
    {
      "content": "IGCH. Other Calciustolls that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCI": [
    {
      "content": "IGCI. Other Calciustolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Calciustolls",
      "chapter": 12,
      "page": 272,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGCJ": [
    {
      "content": "IGCJ. Other Calciustolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Calciustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGCK": [
    {
      "content": "IGCK. Other Calciustolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCK",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 50 cm or more thick.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Calciustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGCL": [
    {
      "content": "IGCL. Other Calciustolls that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Calciustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCL",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGCM": [
    {
      "content": "IGCM. Other Calciustolls that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCM",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for four-tenths or less of the consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Calciustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGCN": [
    {
      "content": "IGCN. Other Calciustolls.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Calciustolls",
      "crit": "IGCN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGAA": [
    {
      "content": "IGAA. Durustolls that have a natric horizon above the duripan.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natric Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGAB": [
    {
      "content": "IGAB. Other Durustolls that:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have an argillic horizon above the duripan; and",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have an aridic soil moisture regime that borders on ustic.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploduridic Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGAC": [
    {
      "content": "IGAC. Other Durustolls that have an aridic soil moisture regime that borders on ustic.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiduridic Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGAD": [
    {
      "content": "IGAD. Other Durustolls that do not have an argillic horizon above the duripan.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGAE": [
    {
      "content": "IGAE. Other Durustolls that have a duripan that is strongly coherent or less coherent in all subhorizons.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGAF": [
    {
      "content": "IGAF. Other Durustolls.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Durustolls",
      "crit": "IGAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGA": [
    {
      "content": "IGGA. Haplustolls that have a salic horizon within 75 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salidic Haplustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGB": [
    {
      "content": "IGGB. Other Haplustolls that have a lithic contact within 50 cm of the mineral soil surface in part of each pedon* and below 50 cm in other parts of each pedon.",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ruptic-Lithic Haplustolls",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGC": [
    {
      "content": "IGGC. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 273,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that, in normal years, is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that, in normal years:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Haplustolls",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGC",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "IGGD": [
    {
      "content": "IGGD. Other Haplustolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustolls",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGE": [
    {
      "content": "IGGE. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquertic Haplustolls",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGGF": [
    {
      "content": "IGGF. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Haplustolls",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGF",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGGG": [
    {
      "content": "IGGG. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 274,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "and 3. One or both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Pachic Udertic Haplustolls",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGG",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGGH": [
    {
      "content": "IGGH. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Haplustolls",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGH",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGGI": [
    {
      "content": "IGGI. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 cm or more thick; and",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Pachic Vertic Haplustolls",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGI",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGGJ": [
    {
      "content": "IGGJ. Other Haplustolls that have one or both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haplustolls",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGK": [
    {
      "content": "IGGK. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years remains moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. An apparent CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+)/kg clay in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower. (If the ratio of [percent water retained at 1500 kPa tension minus percent organic carbon] to the percentage of measured clay is 0.6 or more, then the percentage of clay is considered to equal either the measured percentage of clay or three times [percent water retained at 1500 kPa tension minus percent organic carbon], whichever value is higher, but no more than 100.)",
      "chapter": 12,
      "page": 275,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 6
    },
    {
      "content": "Torroxic Haplustolls",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGK",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGGL": [
    {
      "content": "IGGL. Other Haplustolls that have an apparent CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+)/kg clay in 50 percent or more of the soil volume between a depth of 25 cm from the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower. (If the ratio of [percent water retained at 1500 kPa tension minus percent organic carbon] to the percentage of measured clay is 0.6 or more, then the percentage of clay is considered to equal either the measured percentage of clay or three times [percent water retained at 1500 kPa tension minus percent organic carbon], whichever value is higher, but no more than 100.)",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Oxic Haplustolls",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGM": [
    {
      "content": "IGGM. Other Haplustolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplustolls",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGN": [
    {
      "content": "IGGN. Other Haplustolls that have both of the following:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 11,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Haplustolls",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGN",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "IGGO": [
    {
      "content": "IGGO. Other Haplustolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haplustolls",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGGP": [
    {
      "content": "IGGP. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either:",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a mollic epipedon that is 40 cm or more thick, of which less than 50 percent meets sandy or sandy-skeletal particle-size class criteria, and there is no densic or paralithic contact and no sandy or sandy-skeletal particle-size class at a depth between 40 and 50 cm from the mineral soil surface; or",
      "chapter": 12,
      "page": 276,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "5. One or both of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Aquic Cumulic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGP",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGGQ": [
    {
      "content": "IGGQ. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Either:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a mollic epipedon that is 40 cm or more thick, of which less than 50 percent meets sandy or sandy-skeletal particle-size class criteria, and there is no densic or paralithic contact and no sandy or sandy-skeletal particle-size class at a depth between 40 and 50 cm from the mineral soil surface; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 9,
      "logic": "END"
    },
    {
      "content": "Cumulic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGQ",
      "clause": 10,
      "logic": "LAST"
    }
  ],
  "IGGR": [
    {
      "content": "IGGR. Other Haplustolls that have anthraquic conditions.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGR",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGR",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGS": [
    {
      "content": "IGGS. Other Haplustolls that meet one or both of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGS",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGS",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGT": [
    {
      "content": "IGGT. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGT",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGGU": [
    {
      "content": "IGGU. Other Haplustolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in most years (or artificial drainage).",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGV": [
    {
      "content": "IGGV. Other Haplustolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is either:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGV",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 40 cm or more thick in a frigid soil temperature regime; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGV",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 50 cm or more thick.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGV",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGV",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGW": [
    {
      "content": "IGGW. Other Haplustolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGW",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGW",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGW",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplustolls",
      "chapter": 12,
      "page": 277,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGW",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGX": [
    {
      "content": "IGGX. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 11,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 12,
      "logic": "END"
    },
    {
      "content": "Torrifluventic Haplustolls",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGX",
      "clause": 13,
      "logic": "LAST"
    }
  ],
  "IGGY": [
    {
      "content": "IGGY. Other Haplustolls that:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. Either:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. Have free carbonates throughout the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torriorthentic Haplustolls",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGY",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGGZ": [
    {
      "content": "IGGZ. Other Haplustolls that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Haplustolls",
      "chapter": 12,
      "page": 278,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGGZa": [
    {
      "content": "IGGZa. Other Haplustolls that have all of the following:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZa",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGGZb": [
    {
      "content": "IGGZb. Other Haplustolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either is brittle and has some opal coats or has 20 percent or more (by volume) durinodes.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZb",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZb",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGGZc": [
    {
      "content": "IGGZc. Other Haplustolls:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Either:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. Have free carbonates throughout either the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udorthentic Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZc",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGGZd": [
    {
      "content": "IGGZd. Other Haplustolls that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZd",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZd",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZd",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZd",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGZe": [
    {
      "content": "IGGZe. Other Haplustolls that either:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZe",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZe",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have free carbonates throughout either the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZe",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZe",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGGZf": [
    {
      "content": "IGGZf. Other Haplustolls.",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZf",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustolls",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Haplustolls",
      "crit": "IGGZf",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGBA": [
    {
      "content": "IGBA. Natrustolls that have all of the following:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 279,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 9,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 10,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Leptic Torrertic Natrustolls",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBA",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "IGBB": [
    {
      "content": "IGBB. Other Natrustolls that have both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Natrustolls",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBB",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGBC": [
    {
      "content": "IGBC. Other Natrustolls that have both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Leptic Vertic Natrustolls",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGBD": [
    {
      "content": "IGBD. Other Natrustolls that have both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A glossic horizon or interfingering of albic materials into a natric horizon; and",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Glossic Vertic Natrustolls",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IGBE": [
    {
      "content": "IGBE. Other Natrustolls that have one or both of the following:",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrustolls",
      "chapter": 12,
      "page": 280,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGBF": [
    {
      "content": "IGBF. Other Natrustolls that have both of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. Visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aridic Leptic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBF",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IGBG": [
    {
      "content": "IGBG. Other Natrustolls that have visible crystals of gypsum and/or more soluble salts within 40 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGBH": [
    {
      "content": "IGBH. Other Natrustolls that have, in one or more horizons at a depth between 50 and 100 cm from the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and one of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 50 percent or more chroma of 1 or less and hue of 2.5Y or yellower; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 50 percent or more chroma of 2 or less and redox concentrations; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. 50 percent or more chroma of 2 or less and also a higher exchangeable sodium percentage (or sodium adsorption ratio) between the mineral soil surface and a depth of 25 cm than in the underlying horizon.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBH",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBH",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IGBI": [
    {
      "content": "IGBI. Other Natrustolls that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBI",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGBJ": [
    {
      "content": "IGBJ. Other Natrustolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGBK": [
    {
      "content": "IGBK. Other Natrustolls that have a glossic horizon or interfingering of albic materials into a natric horizon.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Glossic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGBL": [
    {
      "content": "IGBL. Other Natrustolls.",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrustolls",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Natrustolls",
      "crit": "IGBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGDA": [
    {
      "content": "IGDA. Paleustolls that have both of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 281,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; and",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 8,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 10,
      "logic": "END"
    },
    {
      "content": "Torrertic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDA",
      "clause": 11,
      "logic": "LAST"
    }
  ],
  "IGDB": [
    {
      "content": "IGDB. Other Paleustolls that have both of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and 2. One or both of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Udertic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDB",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IGDC": [
    {
      "content": "IGDC. Other Paleustolls that have one or both of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGDD": [
    {
      "content": "IGDD. Other Paleustolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGDE": [
    {
      "content": "IGDE. Other Paleustolls that have a mollic epipedon that has a texture class finer than loamy fine sand and that is 50 cm or more thick.",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGDF": [
    {
      "content": "IGDF. Other Paleustolls that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Paleustolls",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGDG": [
    {
      "content": "IGDG. Other Paleustolls that have both of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon within one of the following particle- size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Sandy or sandy-skeletal and within 100 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Clayey, clayey-skeletal, fine, or very-fine and within 50 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Any other class and within 60 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. When neither irrigated nor fallowed to store moisture, one of the following:",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "a. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 282,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 8,
      "logic": "OR"
    },
    {
      "content": "c. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 9,
      "logic": "OR"
    },
    {
      "content": "(1) Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 10,
      "logic": "AND"
    },
    {
      "content": "(2) Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 11,
      "logic": "END"
    },
    {
      "content": "Calcidic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDG",
      "clause": 12,
      "logic": "LAST"
    }
  ],
  "IGDH": [
    {
      "content": "IGDH. Other Paleustolls that, when neither irrigated nor fallowed to store moisture, have one of the following:",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A frigid soil temperature regime and a moisture control section that in normal years is dry in all parts for four-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some or all parts for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aridic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDH",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IGDI": [
    {
      "content": "IGDI. Other Paleustolls that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for four-tenths or less of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IGDJ": [
    {
      "content": "IGDJ. Other Paleustolls that have a calcic horizon within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Sandy or sandy-skeletal and within 100 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Clayey, clayey-skeletal, fine, or very-fine and within 50 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Any other class and within 60 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDJ",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calcic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDJ",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IGDK": [
    {
      "content": "IGDK. Other Paleustolls that have free carbonates throughout after the surface horizons have been mixed to a depth of 18 cm.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGDL": [
    {
      "content": "IGDL. Other Paleustolls.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Paleustolls",
      "crit": "IGDL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGFA": [
    {
      "content": "IGFA. Vermustolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Vermustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGFB": [
    {
      "content": "IGFB. Other Vermustolls that have, in one or more horizons within 100 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Vermustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGFC": [
    {
      "content": "IGFC. Other Vermustolls that have a mollic epipedon that is 75 cm or more thick.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Vermustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGFD": [
    {
      "content": "IGFD. Other Vermustolls that have a mollic epipedon that is less than 50 cm thick.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Vermustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IGFE": [
    {
      "content": "IGFE. Other Vermustolls.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Vermustolls",
      "chapter": 12,
      "page": 283,
      "key": "Key to Subgroups",
      "taxa": "Vermustolls",
      "crit": "IGFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFA": [
    {
      "content": "IFA. Xerolls that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 283,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durixerolls, p. 287",
      "chapter": 12,
      "page": 283,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFB": [
    {
      "content": "IFB. Other Xerolls that have a natric horizon.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natrixerolls, p. 292",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFC": [
    {
      "content": "IFC. Other Xerolls that have either:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A petrocalcic horizon within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An argillic horizon that has one or both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. With increasing depth, no clay decrease of 20 percent or more (relative) from the maximum noncarbonate clay content within 150 cm of the mineral soil surface (and there is no densic, lithic, or paralithic contact within that depth); and either (1) Hue of 7.5YR or redder and chroma of 5 or more in the matrix; or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "(2) Common redox concentrations with hue of 7.5YR or redder or chroma of 6 or more, or both; or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. 35 percent or more noncarbonate clay throughout one or more subhorizons in its upper part, and one or both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) A clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the argillic horizon or at its upper boundary (and there is no densic, lithic, or paralithic contact within 50 cm of the mineral soil surface); or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "(2) An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon (and there is no densic, lithic, or paralithic contact within 50 cm of the mineral soil surface).",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Palexerolls, p. 293",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFC",
      "clause": 9,
      "logic": "NEW"
    }
  ],
  "IFD": [
    {
      "content": "IFD. Other Xerolls that have both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic or gypsic horizon within 150 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all parts above the calcic or gypsic horizon, after the surface soil has been mixed to a depth of 18 cm, either free carbonates or a texture class of loamy fine sand or coarser.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Calcixerolls, p. 286",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFD",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "IFE": [
    {
      "content": "IFE. Other Xerolls that have an argillic horizon.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argixerolls, p. 284",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFF": [
    {
      "content": "IFF. Other Xerolls.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxerolls, p. 288",
      "chapter": 12,
      "page": 284,
      "key": "Key to Great Groups",
      "taxa": "Xerolls",
      "crit": "IFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFEA": [
    {
      "content": "IFEA. Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Argixerolls",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEB": [
    {
      "content": "IFEB. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either the mineral soil surface or an Ap horizon, whichever is deeper, and the lithic contact.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ultic Argixerolls",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEC": [
    {
      "content": "IFEC. Other Argixerolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Argixerolls",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFED": [
    {
      "content": "IFED. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Torrertic Argixerolls",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFED",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFEE": [
    {
      "content": "IFEE. Other Argixerolls that have one or both of the following:",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Argixerolls",
      "chapter": 12,
      "page": 284,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEF": [
    {
      "content": "IFEF. Other Argixerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFEG": [
    {
      "content": "IFEG. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEG",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFEH": [
    {
      "content": "IFEH. Other Argixerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFEI": [
    {
      "content": "IFEI. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquultic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEJ": [
    {
      "content": "IFEJ. Other Argixerolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial draiange).",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFEK": [
    {
      "content": "IFEK. Other Argixerolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEL": [
    {
      "content": "IFEL. Other Argixerolls that have either:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Above the argillic horizon, an albic horizon or a horizon that has color values too high for a mollic epipedon and chroma too high for an albic horizon; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A glossic horizon, or interfingering of albic materials into the upper part of the argillic horizon, or skeletans of clean silt and sand covering 50 percent or more of the faces of peds in the upper 5 cm of the argillic horizon.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEM": [
    {
      "content": "IFEM. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Any other class and within 110 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calcic Pachic Argixerolls",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEM",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFEN": [
    {
      "content": "IFEN. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 285,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Ultic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEO": [
    {
      "content": "IFEO. Other Argixerolls that have a mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFEP": [
    {
      "content": "IFEP. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture- resistance class when moist; and",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An aridic soil moisture regime.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Argiduridic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFEQ": [
    {
      "content": "IFEQ. Other Argixerolls that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFER": [
    {
      "content": "IFER. Other Argixerolls that have both of the following:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Any other class and within 110 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. An aridic soil moisture regime.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calciargidic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFER",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFES": [
    {
      "content": "IFES. Other Argixerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFES",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFES",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFET": [
    {
      "content": "IFET. Other Argixerolls that have a calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFET",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFET",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFET",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Any other class and within 110 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFET",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calcic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFET",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IFEU": [
    {
      "content": "IFEU. Other Argixerolls that have a base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEU",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEU",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFEV": [
    {
      "content": "IFEV. Other Argixerolls.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEV",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Argixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Argixerolls",
      "crit": "IFEV",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDA": [
    {
      "content": "IFDA. Calcixerolls that have both of the following:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Calcixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFDB": [
    {
      "content": "IFDB. Other Calcixerolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDC": [
    {
      "content": "IFDC. Other Calcixerolls that have one or both of the following:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Calcixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFDD": [
    {
      "content": "IFDD. Other Calcixerolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Calcixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDE": [
    {
      "content": "IFDE. Other Calcixerolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Calcixerolls",
      "chapter": 12,
      "page": 286,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFDF": [
    {
      "content": "IFDF. Other Calcixerolls that have a mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Calcixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDG": [
    {
      "content": "IFDG. Other Calcixerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Both:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter, of which 5 percent or more is volcanic glass; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Calcixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFDH": [
    {
      "content": "IFDH. Other Calcixerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Calcixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDI": [
    {
      "content": "IFDI. Other Calcixerolls that have a mollic epipedon that has, below any Ap horizon, 50 percent or more (by volume) wormholes, wormcasts, or filled animal burrows.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Calcixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFDJ": [
    {
      "content": "IFDJ. Other Calcixerolls.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Calcixerolls",
      "crit": "IFDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFAA": [
    {
      "content": "IFAA. Durixerolls that have one or both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks between the soil surface and the top of the duripan that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that is above the duripan; or",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the soil surface and the top of the duripan.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Durixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFAB": [
    {
      "content": "IFAB. Other Durixerolls that have both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Durixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAB",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFAC": [
    {
      "content": "IFAC. Other Durixerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Durixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFAD": [
    {
      "content": "IFAD. Other Durixerolls that have, in one or more horizons above the duripan, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Durixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFAE": [
    {
      "content": "IFAE. Other Durixerolls that have all of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon; and",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "and 3. A duripan that is neither very strongly coherent nor indurated in any subhorizon.",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Paleargidic Durixerolls",
      "chapter": 12,
      "page": 287,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFAF": [
    {
      "content": "IFAF. Other Durixerolls that have both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Abruptic Argiduridic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFAG": [
    {
      "content": "IFAG. Other Durixerolls that:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an aridic soil moisture regime; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have an argillic horizon above the duripan; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Have a duripan that is neither very strongly coherent nor indurated in any subhorizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Cambidic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IFAH": [
    {
      "content": "IFAH. Other Durixerolls that:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an aridic soil moisture regime; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have an argillic horizon above the duripan.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haploduridic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFAI": [
    {
      "content": "IFAI. Other Durixerolls that have both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A duripan that is neither very strongly coherent nor indurated in any subhorizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Argidic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFAJ": [
    {
      "content": "IFAJ. Other Durixerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argiduridic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFAK": [
    {
      "content": "IFAK. Other Durixerolls that have both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A duripan that is neither very strongly coherent nor indurated in any subhorizon; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Haplic Palexerollic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFAL": [
    {
      "content": "IFAL. Other Durixerolls that have one or both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An argillic horizon that has a clay increase of 20 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 7.5 cm or of 15 percent or more (absolute, in the fine-earth fraction) within a vertical distance of 2.5 cm, either within the horizon or at its upper boundary; or",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An abrupt textural change between the eluvial horizon and the upper boundary of the argillic horizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Palexerollic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFAM": [
    {
      "content": "IFAM. Other Durixerolls that:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a duripan that is neither very strongly coherent nor indurated in any subhorizon; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Do not have an argillic horizon above the duripan.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Haploxerollic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFAN": [
    {
      "content": "IFAN. Other Durixerolls that do not have an argillic horizon above the duripan.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxerollic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFAO": [
    {
      "content": "IFAO. Other Durixerolls that have a duripan that is neither very strongly coherent nor indurated in any subhorizon.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFAP": [
    {
      "content": "IFAP. Other Durixerolls.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durixerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Durixerolls",
      "crit": "IFAP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFA": [
    {
      "content": "IFFA. Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aridic Lithic Haploxerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFB": [
    {
      "content": "IFFB. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either the mineral soil surface or an Ap horizon, whichever is deeper, and the lithic contact.",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ultic Haploxerolls",
      "chapter": 12,
      "page": 288,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFC": [
    {
      "content": "IFFC. Other Haploxerolls that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFD": [
    {
      "content": "IFFD. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. One or both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Torrertic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFFE": [
    {
      "content": "IFFE. Other Haploxerolls that have one or both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFF": [
    {
      "content": "IFFF. Other Haploxerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFG": [
    {
      "content": "IFFG. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Vitritorrandic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFG",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFFH": [
    {
      "content": "IFFH. Other Haploxerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFFI": [
    {
      "content": "IFFI. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "5. One or both of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 7,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquic Cumulic Haploxerolls",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFI",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IFFJ": [
    {
      "content": "IFFJ. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 289,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "5. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Cumulic Ultic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFJ",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "IFFK": [
    {
      "content": "IFFK. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more at a depth of 125 cm below the mineral soil surface; or",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Cumulic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFK",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFFL": [
    {
      "content": "IFFL. Other Haploxerolls that meet one or both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Have a buried layer that meets criteria for a histic, mollic, umbric, or melanic epipedon within 200 cm of the soil surface; or",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have buried O and dark-colored A horizons (moist value of 3 or less), within 200 cm of the soil surface and with a combined thickness of 20 cm or more, that have 1.0 percent or more Holocene-age organic carbon.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Thapto-Humic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFM": [
    {
      "content": "IFFM. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Fluvaquentic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFM",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFFN": [
    {
      "content": "IFFN. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture- resistance class when moist.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Duric Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFO": [
    {
      "content": "IFFO. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFO",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFO",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquultic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFO",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFP": [
    {
      "content": "IFFP. Other Haploxerolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploxerolls",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFQ": [
    {
      "content": "IFFQ. Other Haploxerolls that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 12,
      "page": 290,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFQ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFQ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFQ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFQ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFR": [
    {
      "content": "IFFR. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Any other class and within 110 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calcic Pachic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFR",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFFS": [
    {
      "content": "IFFS. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFS",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFS",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFS",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Pachic Ultic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFS",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFT": [
    {
      "content": "IFFT. Other Haploxerolls that have a mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFT",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFT",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFU": [
    {
      "content": "IFFU. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "4. One or both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Torrifluventic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFU",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "IFFV": [
    {
      "content": "IFFV. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFV",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFV",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture- resistance class when moist.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFV",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Duridic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFV",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFW": [
    {
      "content": "IFFW. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. Any other class and within 110 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Calcidic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFW",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFFX": [
    {
      "content": "IFFX. Other Haploxerolls that have both of the following:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFX",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An aridic soil moisture regime; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFX",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A sandy particle-size class in all horizons within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFX",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Torripsammentic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFX",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFY": [
    {
      "content": "IFFY. Other Haploxerolls that:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an aridic soil moisture regime; and",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Either:",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have free carbonates throughout the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Torriorthentic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFY",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFFZ": [
    {
      "content": "IFFZ. Other Haploxerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Haploxerolls",
      "chapter": 12,
      "page": 291,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFZa": [
    {
      "content": "IFFZa. Other Haploxerolls that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZa",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZa",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFZb": [
    {
      "content": "IFFZb. Other Haploxerolls that have a sandy particle-size class in all horizons within 100 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZb",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZb",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFZc": [
    {
      "content": "IFFZc. Other Haploxerolls that have all of the following:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A slope of less than 25 percent; and",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A total thickness of less than 50 cm of human- transported material in the surface horizons; and",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. One or both of the following:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. An organic carbon content (Holocene age) of 0.3 percent or more in all horizons within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. An irregular decrease in organic carbon content (Holocene age) between a depth of 25 cm and either a depth of 125 cm below the mineral soil surface or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Fluventic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZc",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "IFFZd": [
    {
      "content": "IFFZd. Other Haploxerolls that have a mollic epipedon that has granular structure and that has, below any Ap horizon, 50 percent or more (by volume) wormholes, wormcasts, or filled animal burrows.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZd",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Vermic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZd",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFZe": [
    {
      "content": "IFFZe. Other Haploxerolls that have a calcic horizon or identifiable secondary carbonates within one of the following particle-size class (by weighted average in the particle-size control section) and depth combinations:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZe",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Sandy or sandy-skeletal and within 150 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZe",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Clayey, clayey-skeletal, fine, or very-fine and within 90 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZe",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Any other class and within 110 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZe",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Calcic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZe",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "IFFZf": [
    {
      "content": "IFFZf. Other Haploxerolls that:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZf",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a cambic horizon and do not, in the lower part of the mollic epipedon, meet the requirements for a cambic horizon, except for the color requirements; and",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZf",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZf",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Ultic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZf",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFZg": [
    {
      "content": "IFFZg. Other Haploxerolls that have a base saturation (by sum of cations) of 75 percent or less in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZg",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZg",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFFZh": [
    {
      "content": "IFFZh. Other Haploxerolls that either:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZh",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Do not have a cambic horizon and do not, in any part of the mollic epipedon below 25 cm from the mineral soil surface, meet the requirements for a cambic horizon, except for the color requirements; or",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZh",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Have free carbonates throughout the cambic horizon or in all parts of the mollic epipedon below a depth of 25 cm from the mineral soil surface.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZh",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZh",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFFZi": [
    {
      "content": "IFFZi. Other Haploxerolls.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZi",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Haploxerolls",
      "crit": "IFFZi",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFBA": [
    {
      "content": "IFBA. Natrixerolls that have one or both of the following:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Natrixerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFBB": [
    {
      "content": "IFBB. Other Natrixerolls that have both of the following:",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture- resistance class when moist.",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Duric Natrixerolls",
      "chapter": 12,
      "page": 292,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFBC": [
    {
      "content": "IFBC. Other Natrixerolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normals years (or artificial drainage).",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Natrixerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFBD": [
    {
      "content": "IFBD. Other Natrixerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Natrixerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFBE": [
    {
      "content": "IFBE. Other Natrixerolls that have a horizon within 100 cm of the mineral soil surface that is 15 cm or more thick and either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Natrixerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFBF": [
    {
      "content": "IFBF. Other Natrixerolls.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natrixerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Natrixerolls",
      "crit": "IFBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCA": [
    {
      "content": "IFCA. Palexerolls that have one or both of the following:",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFCB": [
    {
      "content": "IFCB. Other Palexerolls that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or both of the following:",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Vitrandic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "IFCC": [
    {
      "content": "IFCC. Other Palexerolls that have, in one or more horizons within 75 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCD": [
    {
      "content": "IFCD. Other Palexerolls that have a mollic epipedon that is 50 cm or more thick and has a texture class finer than loamy fine sand.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Pachic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCE": [
    {
      "content": "IFCE. Other Palexerolls that have both of the following:",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petrocalcic horizon within 150 cm of the mineral soil surface; and",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An aridic soil moisture regime.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Petrocalcidic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFCF": [
    {
      "content": "IFCF. Other Palexerolls that have a horizon, 15 cm or more thick within 100 cm of the mineral soil surface, that either has 20 percent or more (by volume) durinodes or is brittle and has at least a firm rupture-resistance class when moist.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCG": [
    {
      "content": "IFCG. Other Palexerolls that have an aridic soil moisture regime.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCH": [
    {
      "content": "IFCH. Other Palexerolls that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCI": [
    {
      "content": "IFCI. Other Palexerolls that have a base saturation (by sum of cations) of 75 percent or less in one or more subhorizons either within the argillic horizon if more than 50 cm thick or within its upper 50 cm.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "IFCJ": [
    {
      "content": "IFCJ. Other Palexerolls that have an argillic horizon that has either:",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Less than 35 percent clay in the upper part; or",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. At its upper boundary, a clay increase that is both less than 20 percent (absolute) within a vertical distance of 7.5 cm and less than 15 percent (absolute) within a vertical distance of 2.5 cm, in the fine-earth fraction.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Haplic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "IFCK": [
    {
      "content": "IFCK. Other Palexerolls.",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palexerolls",
      "chapter": 12,
      "page": 294,
      "key": "Key to Subgroups",
      "taxa": "Palexerolls",
      "crit": "IFCK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EA": [
    {
      "content": "EA. Oxisols that have aquic conditions for some time in normal years (or artificial drainage) in one or more horizons within 50 cm of the mineral soil surface and have one or more of the following:",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A histic epipedon; or",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. An epipedon with a color value, moist, of 3 or less and, directly below it, a horizon with chroma of 2 or less; or",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Distinct or prominent redox concentrations within 50 cm of the mineral soil surface, an epipedon, and, directly below it, a horizon with one or both of the following:",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. 50 percent or more hue of 2.5Y or yellower; or",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Chroma of 3 or less; or",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "4. Within 50 cm of the mineral soil surface, enough active ferrous iron to give a positive reaction to alpha,alpha- dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aquox, p. 295",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EA",
      "clause": 8,
      "logic": "NEW"
    }
  ],
  "EB": [
    {
      "content": "EB. Other Oxisols that have an aridic soil moisture regime.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torrox, p. 300",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EC": [
    {
      "content": "EC. Other Oxisols that have an ustic or xeric soil moisture regime.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustox, p. 305",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ED": [
    {
      "content": "ED. Other Oxisols that have a perudic soil moisture regime.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "ED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Perox, p. 296",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "ED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EE": [
    {
      "content": "EE. Other Oxisols.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udox, p. 301",
      "chapter": 13,
      "page": 295,
      "key": "Key to Suborders",
      "taxa": "Oxisols",
      "crit": "EE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAA": [
    {
      "content": "EAA. Aquox that have, in one or more subhorizons of an oxic or kandic horizon within 150 cm of the mineral soil surface, an apparent ECEC of less than 1.50 cmol(+) per kg clay and a pH value (1N KCl) of 5.0 or more.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acraquox, p. 295",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAB": [
    {
      "content": "EAB. Other Aquox that have plinthite forming a continuous phase* within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthaquox, p. 296",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAC": [
    {
      "content": "EAC. Other Aquox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutraquox, p. 295",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAD": [
    {
      "content": "EAD. Other Aquox.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplaquox, p. 296",
      "chapter": 13,
      "page": 295,
      "key": "Key to Great Groups",
      "taxa": "Aquox",
      "crit": "EAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAAA": [
    {
      "content": "EAAA. Acraquox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Acraquox",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAAB": [
    {
      "content": "EAAB. Other Acraquox that have, directly below an epipedon, a horizon 10 cm or more thick that has 50 percent or more chroma of 3 or more.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Acraquox",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EAAC": [
    {
      "content": "EAAC. Other Acraquox.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Acraquox",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Acraquox",
      "crit": "EAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EACA": [
    {
      "content": "EACA. Eutraquox that have a histic epipedon.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Eutraquox",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EACB": [
    {
      "content": "EACB. Other Eutraquox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Eutraquox",
      "chapter": 13,
      "page": 295,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EACC": [
    {
      "content": "EACC. Other Eutraquox that have, directly below an epipedon, a horizon 10 cm or more thick that has 50 percent or more chroma of 3 or more.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Eutraquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EACD": [
    {
      "content": "EACD. Other Eutraquox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Eutraquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EACE": [
    {
      "content": "EACE. Other Eutraquox.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutraquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Eutraquox",
      "crit": "EACE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EADA": [
    {
      "content": "EADA. Haplaquox that have a histic epipedon.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Haplaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EADB": [
    {
      "content": "EADB. Other Haplaquox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haplaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EADC": [
    {
      "content": "EADC. Other Haplaquox that have, directly below an epipedon, a horizon 10 cm or more thick that has 50 percent or more chroma of 3 or more.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Haplaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EADD": [
    {
      "content": "EADD. Other Haplaquox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haplaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EADE": [
    {
      "content": "EADE. Other Haplaquox.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Haplaquox",
      "crit": "EADE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EABA": [
    {
      "content": "EABA. Plinthaquox that have, directly below an epipedon, a horizon 10 cm or more thick that has 50 percent or more chroma of 3 or more.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquox",
      "crit": "EABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Plinthaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquox",
      "crit": "EABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EABB": [
    {
      "content": "EABB. Other Plinthaquox.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquox",
      "crit": "EABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthaquox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquox",
      "crit": "EABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDA": [
    {
      "content": "EDA. Perox that have a sombric horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sombriperox, p. 300",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDB": [
    {
      "content": "EDB. Other Perox that have, in one or more subhorizons of an oxic or kandic horizon within 150 cm of the mineral soil surface, an apparent ECEC of less than 1.50 cmol(+) per kg clay and a pH value (1N KCl) of 5.0 or more.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acroperox, p. 296",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDC": [
    {
      "content": "EDC. Other Perox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutroperox, p. 297",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDD": [
    {
      "content": "EDD. Other Perox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiperox, p. 299",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDE": [
    {
      "content": "EDE. Other Perox.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploperox, p. 298",
      "chapter": 13,
      "page": 296,
      "key": "Key to Great Groups",
      "taxa": "Perox",
      "crit": "EDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBA": [
    {
      "content": "EDBA. Acroperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Acroperox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDBB": [
    {
      "content": "EDBB. Other Acroperox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Acroperox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBC": [
    {
      "content": "EDBC. Other Acroperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Acroperox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDBD": [
    {
      "content": "EDBD. Other Acroperox that that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Acroperox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBE": [
    {
      "content": "EDBE. Other Acroperox that have a delta pH (KCl pH minus 1:1 water pH) with a 0 or net positive charge in a layer 18 cm or more thick within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anionic Acroperox",
      "chapter": 13,
      "page": 296,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBF": [
    {
      "content": "EDBF. Other Acroperox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBG": [
    {
      "content": "EDBG. Other Acroperox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBH": [
    {
      "content": "EDBH. Other Acroperox that have both:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EDBI": [
    {
      "content": "EDBI. Other Acroperox that have both:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDBJ": [
    {
      "content": "EDBJ. Other Acroperox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBK": [
    {
      "content": "EDBK. Other Acroperox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDBL": [
    {
      "content": "EDBL. Other Acroperox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDBM": [
    {
      "content": "EDBM. Other Acroperox.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Acroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Acroperox",
      "crit": "EDBM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCA": [
    {
      "content": "EDCA. Eutroperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCB": [
    {
      "content": "EDCB. Other Eutroperox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCC": [
    {
      "content": "EDCC. Other Eutroperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCD": [
    {
      "content": "EDCD. Other Eutroperox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCE": [
    {
      "content": "EDCE. Other Eutroperox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCF": [
    {
      "content": "EDCF. Other Eutroperox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCG": [
    {
      "content": "EDCG. Other Eutroperox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCH": [
    {
      "content": "EDCH. Other Eutroperox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiudalfic Eutroperox",
      "chapter": 13,
      "page": 297,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCI": [
    {
      "content": "EDCI. Other Eutroperox that have both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Inceptic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCJ": [
    {
      "content": "EDCJ. Other Eutroperox that have an oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCK": [
    {
      "content": "EDCK. Other Eutroperox that have both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EDCL": [
    {
      "content": "EDCL. Other Eutroperox that have both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCM": [
    {
      "content": "EDCM. Other Eutroperox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCN": [
    {
      "content": "EDCN. Other Eutroperox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDCO": [
    {
      "content": "EDCO. Other Eutroperox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDCP": [
    {
      "content": "EDCP. Other Eutroperox.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutroperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Eutroperox",
      "crit": "EDCP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEA": [
    {
      "content": "EDEA. Haploperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDEB": [
    {
      "content": "EDEB. Other Haploperox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEC": [
    {
      "content": "EDEC. Other Haploperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDED": [
    {
      "content": "EDED. Other Haploperox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEE": [
    {
      "content": "EDEE. Other Haploperox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDEF": [
    {
      "content": "EDEF. Other Haploperox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEG": [
    {
      "content": "EDEG. Other Haploperox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploperox",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEH": [
    {
      "content": "EDEH. Other Haploperox that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 13,
      "page": 298,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEI": [
    {
      "content": "EDEI. Other Haploperox that have both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EDEJ": [
    {
      "content": "EDEJ. Other Haploperox that have both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDEK": [
    {
      "content": "EDEK. Other Haploperox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEL": [
    {
      "content": "EDEL. Other Haploperox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDEM": [
    {
      "content": "EDEM. Other Haploperox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDEN": [
    {
      "content": "EDEN. Other Haploperox.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Haploperox",
      "crit": "EDEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDA": [
    {
      "content": "EDDA. Kandiperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDDB": [
    {
      "content": "EDDB. Other Kandiperox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDC": [
    {
      "content": "EDDC. Other Kandiperox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDDD": [
    {
      "content": "EDDD. Other Kandiperox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDE": [
    {
      "content": "EDDE. Other Kandiperox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDDF": [
    {
      "content": "EDDF. Other Kandiperox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDG": [
    {
      "content": "EDDG. Other Kandiperox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDH": [
    {
      "content": "EDDH. Other Kandiperox that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kandiperox",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDI": [
    {
      "content": "EDDI. Other Kandiperox that have both:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 299,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EDDJ": [
    {
      "content": "EDDJ. Other Kandiperox that have both:",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDDK": [
    {
      "content": "EDDK. Other Kandiperox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDL": [
    {
      "content": "EDDL. Other Kandiperox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EDDM": [
    {
      "content": "EDDM. Other Kandiperox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDDN": [
    {
      "content": "EDDN. Other Kandiperox.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Kandiperox",
      "crit": "EDDN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDAA": [
    {
      "content": "EDAA. Sombriperox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Sombriperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDAB": [
    {
      "content": "EDAB. Other Sombriperox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sombriperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDAC": [
    {
      "content": "EDAC. Other Sombriperox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Sombriperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EDAD": [
    {
      "content": "EDAD. Other Sombriperox.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sombriperox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Sombriperox",
      "crit": "EDAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBA": [
    {
      "content": "EBA. Torrox that have, in one or more subhorizons of an oxic or kandic horizon within 150 cm of the mineral soil surface, an apparent ECEC of less than 1.50 cmol(+) per kg clay and a pH value (1N KCl) of 5.0 or more.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrotorrox, p. 300",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBB": [
    {
      "content": "EBB. Other Torrox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutrotorrox, p. 300",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBC": [
    {
      "content": "EBC. Other Torrox.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplotorrox, p. 300",
      "chapter": 13,
      "page": 300,
      "key": "Key to Great Groups",
      "taxa": "Torrox",
      "crit": "EBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBAA": [
    {
      "content": "EBAA. Acrotorrox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Acrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBAB": [
    {
      "content": "EBAB. Other Acrotorrox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Acrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBAC": [
    {
      "content": "EBAC. Other Acrotorrox.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Acrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Acrotorrox",
      "crit": "EBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBBA": [
    {
      "content": "EBBA. Eutrotorrox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Eutrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBBB": [
    {
      "content": "EBBB. Other Eutrotorrox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Eutrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBBC": [
    {
      "content": "EBBC. Other Eutrotorrox.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutrotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Eutrotorrox",
      "crit": "EBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBCA": [
    {
      "content": "EBCA. Haplotorrox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Haplotorrox",
      "chapter": 13,
      "page": 300,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBCB": [
    {
      "content": "EBCB. Other Haplotorrox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplotorrox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EBCC": [
    {
      "content": "EBCC. Other Haplotorrox.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplotorrox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrox",
      "crit": "EBCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEA": [
    {
      "content": "EEA. Udox that have a sombric horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sombriudox, p. 305",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEB": [
    {
      "content": "EEB. Other Udox that have, in one or more subhorizons of an oxic or kandic horizon within 150 cm of the mineral soil surface, an apparent ECEC of less than 1.50 cmol(+) per kg clay and a pH value (1N KCl) of 5.0 or more.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudox, p. 301",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEC": [
    {
      "content": "EEC. Other Udox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutrudox, p. 302",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EED": [
    {
      "content": "EED. Other Udox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiudox, p. 304",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEE": [
    {
      "content": "EEE. Other Udox.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapludox, p. 303",
      "chapter": 13,
      "page": 301,
      "key": "Key to Great Groups",
      "taxa": "Udox",
      "crit": "EEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBA": [
    {
      "content": "EEBA. Acrudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEBB": [
    {
      "content": "EEBB. Other Acrudox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBC": [
    {
      "content": "EEBC. Other Acrudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEBD": [
    {
      "content": "EEBD. Other Acrudox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBE": [
    {
      "content": "EEBE. Other Acrudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A delta pH (KCl pH minus 1:1 water pH) with a 0 or net positive charge in a layer 18 cm or more thick; and",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Anionic Aquic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEBF": [
    {
      "content": "EEBF. Other Acrudox that have a delta pH (KCl pH minus 1:1 water pH) with a 0 or net positive charge in a layer 18 cm or more thick within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anionic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBG": [
    {
      "content": "EEBG. Other Acrudox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBH": [
    {
      "content": "EEBH. Other Acrudox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBI": [
    {
      "content": "EEBI. Other Acrudox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBJ": [
    {
      "content": "EEBJ. Other Acrudox that have both:",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Acrudox",
      "chapter": 13,
      "page": 301,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EEBK": [
    {
      "content": "EEBK. Other Acrudox that have both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "3. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Acrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEBL": [
    {
      "content": "EEBL. Other Acrudox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Acrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBM": [
    {
      "content": "EEBM. Other Acrudox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Acrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEBN": [
    {
      "content": "EEBN. Other Acrudox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Acrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEBO": [
    {
      "content": "EEBO. Other Acrudox.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Acrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Acrudox",
      "crit": "EEBO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECA": [
    {
      "content": "EECA. Eutrudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECB": [
    {
      "content": "EECB. Other Eutrudox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECC": [
    {
      "content": "EECC. Other Eutrudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECD": [
    {
      "content": "EECD. Other Eutrudox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECE": [
    {
      "content": "EECE. Other Eutrudox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECF": [
    {
      "content": "EECF. Other Eutrudox that have, in one or more horizons within 125 cm of the mineral soil surface, 5 percent or more (by volume) plinthite.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECG": [
    {
      "content": "EECG. Other Eutrudox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECH": [
    {
      "content": "EECH. Other Eutrudox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiudalfic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECI": [
    {
      "content": "EECI. Other Eutrudox that have both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Inceptic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECJ": [
    {
      "content": "EECJ. Other Eutrudox that have an oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECK": [
    {
      "content": "EECK. Other Eutrudox that have both:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Eutrudox",
      "chapter": 13,
      "page": 302,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EECL": [
    {
      "content": "EECL. Other Eutrudox that have both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Eutrudox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECM": [
    {
      "content": "EECM. Other Eutrudox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Eutrudox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECN": [
    {
      "content": "EECN. Other Eutrudox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Eutrudox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EECO": [
    {
      "content": "EECO. Other Eutrudox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Eutrudox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EECP": [
    {
      "content": "EECP. Other Eutrudox.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutrudox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Eutrudox",
      "crit": "EECP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEA": [
    {
      "content": "EEEA. Hapludox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEEB": [
    {
      "content": "EEEB. Other Hapludox have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEC": [
    {
      "content": "EEEC. Other Hapludox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEED": [
    {
      "content": "EEED. Other Hapludox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEE": [
    {
      "content": "EEEE. Other Hapludox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEEF": [
    {
      "content": "EEEF. Other Hapludox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEG": [
    {
      "content": "EEEG. Other Hapludox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEH": [
    {
      "content": "EEEH. Other Hapludox that have an oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEI": [
    {
      "content": "EEEI. Other Hapludox that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEJ": [
    {
      "content": "EEEJ. Other Hapludox that have both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Hapludox",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EEEK": [
    {
      "content": "EEEK. Other Hapludox that have both:",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 303,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Hapludox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEEL": [
    {
      "content": "EEEL. Other Hapludox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Hapludox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEM": [
    {
      "content": "EEEM. Other Hapludox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Hapludox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEEN": [
    {
      "content": "EEEN. Other Hapludox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Hapludox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEEO": [
    {
      "content": "EEEO. Other Hapludox.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapludox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Hapludox",
      "crit": "EEEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDA": [
    {
      "content": "EEDA. Kandiudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEDB": [
    {
      "content": "EEDB. Other Kandiudox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDC": [
    {
      "content": "EEDC. Other Kandiudox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEDD": [
    {
      "content": "EEDD. Other Kandiudox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDE": [
    {
      "content": "EEDE. Other Kandiudox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEDF": [
    {
      "content": "EEDF. Other Kandiudox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDG": [
    {
      "content": "EEDG. Other Kandiudox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDH": [
    {
      "content": "EEDH. Other Kandiudox that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDI": [
    {
      "content": "EEDI. Other Kandiudox that have both:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "EEDJ": [
    {
      "content": "EEDJ. Other Kandiudox that have both:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEDK": [
    {
      "content": "EEDK. Other Kandiudox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Kandiudox",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDL": [
    {
      "content": "EEDL. Other Kandiudox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 304,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "EEDM": [
    {
      "content": "EEDM. Other Kandiudox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Kandiudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEDN": [
    {
      "content": "EEDN. Other Kandiudox.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Kandiudox",
      "crit": "EEDN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEAA": [
    {
      "content": "EEAA. Sombriudox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Sombriudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEAB": [
    {
      "content": "EEAB. Other Sombriudox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sombriudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEAC": [
    {
      "content": "EEAC. Other Sombriudox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Sombriudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "EEAD": [
    {
      "content": "EEAD. Other Sombriudox.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sombriudox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Sombriudox",
      "crit": "EEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECA": [
    {
      "content": "ECA. Ustox that have a sombric horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sombriustox, p. 309",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECB": [
    {
      "content": "ECB. Other Ustox that have, in one or more subhorizons of an oxic or kandic horizon within 150 cm of the mineral soil surface, an apparent ECEC of less than 1.50 cmol(+) per kg clay and a pH value (1N KCl) of 5.0 or more.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrustox, p. 305",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECC": [
    {
      "content": "ECC. Other Ustox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutrustox, p. 306",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECD": [
    {
      "content": "ECD. Other Ustox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiustox, p. 308",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECE": [
    {
      "content": "ECE. Other Ustox.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustox, p. 307",
      "chapter": 13,
      "page": 305,
      "key": "Key to Great Groups",
      "taxa": "Ustox",
      "crit": "ECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBA": [
    {
      "content": "ECBA. Acrustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECBB": [
    {
      "content": "ECBB. Other Acrustox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBC": [
    {
      "content": "ECBC. Other Acrustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECBD": [
    {
      "content": "ECBD. Other Acrustox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBE": [
    {
      "content": "ECBE. Other Acrustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A delta pH (KCl pH minus 1:1 water pH) with a 0 or net positive charge in a layer 18 cm or more thick; and",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Anionic Aquic Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECBF": [
    {
      "content": "ECBF. Other Acrustox that have a delta pH (KCl pH minus 1:1 water pH) with a 0 or net positive charge in a layer 18 cm or more thick within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anionic Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBG": [
    {
      "content": "ECBG. Other Acrustox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Acrustox",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBH": [
    {
      "content": "ECBH. Other Acrustox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 305,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBI": [
    {
      "content": "ECBI. Other Acrustox that have a base saturation (by NH4 OAc) of 35 percent or more in all horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Eutric Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBJ": [
    {
      "content": "ECBJ. Other Acrustox that have both:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ECBK": [
    {
      "content": "ECBK. Other Acrustox that have both:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECBL": [
    {
      "content": "ECBL. Other Acrustox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBM": [
    {
      "content": "ECBM. Other Acrustox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECBN": [
    {
      "content": "ECBN. Other Acrustox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECBO": [
    {
      "content": "ECBO. Other Acrustox.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Acrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Acrustox",
      "crit": "ECBO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCA": [
    {
      "content": "ECCA. Eutrustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCB": [
    {
      "content": "ECCB. Other Eutrustox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCC": [
    {
      "content": "ECCC. Other Eutrustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCD": [
    {
      "content": "ECCD. Other Eutrustox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCE": [
    {
      "content": "ECCE. Other Eutrustox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCF": [
    {
      "content": "ECCF. Other Eutrustox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCG": [
    {
      "content": "ECCG. Other Eutrustox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCH": [
    {
      "content": "ECCH. Other Eutrustox that have a kandic horizon within 150 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandiustalfic Eutrustox",
      "chapter": 13,
      "page": 306,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCI": [
    {
      "content": "ECCI. Other Eutrustox that have both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. An oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Inceptic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCJ": [
    {
      "content": "ECCJ. Other Eutrustox that have an oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCK": [
    {
      "content": "ECCK. Other Eutrustox that have both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ECCL": [
    {
      "content": "ECCL. Other Eutrustox that have both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCM": [
    {
      "content": "ECCM. Other Eutrustox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCN": [
    {
      "content": "ECCN. Other Eutrustox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECCO": [
    {
      "content": "ECCO. Other Eutrustox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECCP": [
    {
      "content": "ECCP. Other Eutrustox.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Eutrustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Eutrustox",
      "crit": "ECCP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEA": [
    {
      "content": "ECEA. Haplustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEB": [
    {
      "content": "ECEB. Other Haplustox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEC": [
    {
      "content": "ECEC. Other Haplustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECED": [
    {
      "content": "ECED. Other Haplustox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEE": [
    {
      "content": "ECEE. Other Haplustox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEF": [
    {
      "content": "ECEF. Other Haplustox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEG": [
    {
      "content": "ECEG. Other Haplustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. The lower boundary of the oxic horizon; and",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aqueptic Haplustox",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEH": [
    {
      "content": "ECEH. Other Haplustox that have, within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 307,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEI": [
    {
      "content": "ECEI. Other Haplustox that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEJ": [
    {
      "content": "ECEJ. Other Haplustox that have an oxic horizon that has its lower boundary within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Inceptic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEK": [
    {
      "content": "ECEK. Other Haplustox that have both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEK",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ECEL": [
    {
      "content": "ECEL. Other Haplustox that have both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEL",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEM": [
    {
      "content": "ECEM. Other Haplustox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEN": [
    {
      "content": "ECEN. Other Haplustox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEN",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEN",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECEO": [
    {
      "content": "ECEO. Other Haplustox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECEP": [
    {
      "content": "ECEP. Other Haplustox.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Haplustox",
      "crit": "ECEP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDA": [
    {
      "content": "ECDA. Kandiustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A petroferric contact; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Petroferric Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECDB": [
    {
      "content": "ECDB. Other Kandiustox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDC": [
    {
      "content": "ECDC. Other Kandiustox that have, within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Lithic Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECDD": [
    {
      "content": "ECDD. Other Kandiustox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDE": [
    {
      "content": "ECDE. Other Kandiustox that have, in one or more horizons within 125 cm of the mineral soil surface, both:",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite; and",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECDF": [
    {
      "content": "ECDF. Other Kandiustox that have 5 percent or more (by volume) plinthite in one or more horizons within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDG": [
    {
      "content": "ECDG. Other Kandiustox that have, in one or more horizons within 125 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiustox",
      "chapter": 13,
      "page": 308,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDH": [
    {
      "content": "ECDH. Other Kandiustox that have both:",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Humic Rhodic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "ECDI": [
    {
      "content": "ECDI. Other Kandiustox that have both:",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm; and",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Xanthic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECDJ": [
    {
      "content": "ECDJ. Other Kandiustox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDK": [
    {
      "content": "ECDK. Other Kandiustox that have, in all horizons at a depth between 25 and 125 cm from the mineral soil surface, more than 50 percent colors that have both of the following:",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "ECDL": [
    {
      "content": "ECDL. Other Kandiustox that have 50 percent or more hue of 7.5YR or yellower and a color value, moist, of 6 or more at a depth between 25 and 125 cm from the mineral soil surface.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xanthic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECDM": [
    {
      "content": "ECDM. Other Kandiustox.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Kandiustox",
      "crit": "ECDM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECAA": [
    {
      "content": "ECAA. Sombriustox that have a petroferric contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Sombriustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECAB": [
    {
      "content": "ECAB. Other Sombriustox that have a lithic contact within 125 cm of the mineral soil surface.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Sombriustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECAC": [
    {
      "content": "ECAC. Other Sombriustox that have 16 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Sombriustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "ECAD": [
    {
      "content": "ECAD. Other Sombriustox.",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sombriustox",
      "chapter": 13,
      "page": 310,
      "key": "Key to Subgroups",
      "taxa": "Sombriustox",
      "crit": "ECAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CA": [
    {
      "content": "CA. Spodosols that have aquic conditions for some time in normal years (or artificial drainage) in one or more horizons within 50 cm of the mineral soil surface and have one or both of the following:",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A histic epipedon; or",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Within 50 cm of the mineral soil surface, aquic conditions in an albic or a spodic horizon.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquods, p. 311",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "CB": [
    {
      "content": "CB. Other Spodosols that have a gelic soil temperature regime.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gelods, p. 315",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CC": [
    {
      "content": "CC. Other Spodosols that have a cryic soil temperature regime.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryods, p. 313",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CD": [
    {
      "content": "CD. Other Spodosols that have 6.0 percent or more organic carbon in a layer 10 cm or more thick within the spodic horizon.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humods, p. 316",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CE": [
    {
      "content": "CE. Other Spodosols.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Orthods, p. 316",
      "chapter": 14,
      "page": 311,
      "key": "Key to Suborders",
      "taxa": "Spodosols",
      "crit": "CE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAA": [
    {
      "content": "CAA. Aquods that have a cryic soil temperature regime.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryaquods, p. 312",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAB": [
    {
      "content": "CAB. Other Aquods that have less than 0.10 percent iron (by ammonium oxalate) or at least 3 times as much ammonium oxalate extractable aluminum as iron in 75 percent or more of the spodic horizon.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alaquods, p. 311",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAC": [
    {
      "content": "CAC. Other Aquods that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiaquods, p. 313",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAD": [
    {
      "content": "CAD. Other Aquods that have a placic horizon within 100 cm of the mineral soil surface in 50 percent or more of each pedon.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placaquods, p. 313",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAE": [
    {
      "content": "CAE. Other Aquods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duraquods, p. 312",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAF": [
    {
      "content": "CAF. Other Aquods that have episaturation.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquods, p. 313",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAG": [
    {
      "content": "CAG. Other Aquods.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquods, p. 312",
      "chapter": 14,
      "page": 311,
      "key": "Key to Great Groups",
      "taxa": "Aquods",
      "crit": "CAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABA": [
    {
      "content": "CABA. Alaquods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Alaquods",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABB": [
    {
      "content": "CABB. Other Alaquods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Alaquods",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABC": [
    {
      "content": "CABC. Other Alaquods that have a histic epipedon.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Alaquods",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABD": [
    {
      "content": "CABD. Other Alaquods that:",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Within 200 cm of the mineral soil surface, have an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part; and",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm.",
      "chapter": 14,
      "page": 311,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Alfic Arenic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CABE": [
    {
      "content": "CABE. Other Alaquods that:",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an argillic or kandic horizon within 200 cm of the mineral soil surface; and",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Ultic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CABF": [
    {
      "content": "CABF. Other Alaquods that:",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have an umbric epipedon; and",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Umbric Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CABG": [
    {
      "content": "CABG. Other Alaquods that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABH": [
    {
      "content": "CABH. Other Alaquods that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 125 cm or more.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABI": [
    {
      "content": "CABI. Other Alaquods that have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABJ": [
    {
      "content": "CABJ. Other Alaquods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABK": [
    {
      "content": "CABK. Other Alaquods that have an ochric epipedon.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CABL": [
    {
      "content": "CABL. Other Alaquods.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Alaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Alaquods",
      "crit": "CABL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAA": [
    {
      "content": "CAAA. Cryaquods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAB": [
    {
      "content": "CAAB. Other Cryaquods that have a placic horizon within 100 cm of the mineral soil surface in 50 percent or more of each pedon.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placic Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAC": [
    {
      "content": "CAAC. Other Cryaquods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duric Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAD": [
    {
      "content": "CAAD. Other Cryaquods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAE": [
    {
      "content": "CAAE. Other Cryaquods that have a spodic horizon less than 10 cm thick in 50 percent or more of each pedon.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAAF": [
    {
      "content": "CAAF. Other Cryaquods.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Cryaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Cryaquods",
      "crit": "CAAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAEA": [
    {
      "content": "CAEA. Duraquods that have a histic epipedon.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Duraquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAEB": [
    {
      "content": "CAEB. Other Duraquods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Duraquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAEC": [
    {
      "content": "CAEC. Other Duraquods.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duraquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Duraquods",
      "crit": "CAEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGA": [
    {
      "content": "CAGA. Endoaquods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Endoaquods",
      "chapter": 14,
      "page": 312,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGB": [
    {
      "content": "CAGB. Other Endoaquods that have a histic epipedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Endoaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGC": [
    {
      "content": "CAGC. Other Endoaquods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Endoaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGD": [
    {
      "content": "CAGD. Other Endoaquods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Endoaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGE": [
    {
      "content": "CAGE. Other Endoaquods that have an umbric epipedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Endoaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAGF": [
    {
      "content": "CAGF. Other Endoaquods.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Endoaquods",
      "crit": "CAGF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFA": [
    {
      "content": "CAFA. Epiaquods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFB": [
    {
      "content": "CAFB. Other Epiaquods that have a histic epipedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFC": [
    {
      "content": "CAFC. Other Epiaquods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFD": [
    {
      "content": "CAFD. Other Epiaquods that have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFE": [
    {
      "content": "CAFE. Other Epiaquods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFF": [
    {
      "content": "CAFF. Other Epiaquods that have an umbric epipedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CAFG": [
    {
      "content": "CAFG. Other Epiaquods.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Epiaquods",
      "crit": "CAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CACA": [
    {
      "content": "CACA. Fragiaquods that have a histic epipedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Histic Fragiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CACB": [
    {
      "content": "CACB. Other Fragiaquods that have a surface horizon between 25 and 50 cm thick that meets all of the requirements for a plaggen epipedon except thickness.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploplaggic Fragiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CACC": [
    {
      "content": "CACC. Other Fragiaquods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Argic Fragiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CACD": [
    {
      "content": "CACD. Other Fragiaquods.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquods",
      "crit": "CACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CADA": [
    {
      "content": "CADA. Placaquods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Placaquods",
      "crit": "CADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Placaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Placaquods",
      "crit": "CADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CADB": [
    {
      "content": "CADB. Other Placaquods.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Placaquods",
      "crit": "CADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placaquods",
      "chapter": 14,
      "page": 313,
      "key": "Key to Subgroups",
      "taxa": "Placaquods",
      "crit": "CADB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCA": [
    {
      "content": "CCA. Cryods that have a placic horizon within 100 cm of the mineral soil surface in 50 percent or more of each pedon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placocryods, p. 315",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCB": [
    {
      "content": "CCB. Other Cryods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duricryods, p. 314",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCC": [
    {
      "content": "CCC. Other Cryods that have 6.0 percent or more organic carbon throughout a layer 10 cm or more thick within the spodic horizon.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humicryods, p. 314",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCD": [
    {
      "content": "CCD. Other Cryods.",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryods, p. 314",
      "chapter": 14,
      "page": 313,
      "key": "Key to Great Groups",
      "taxa": "Cryods",
      "crit": "CCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCBA": [
    {
      "content": "CCBA. Duricryods that have both:",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquandic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CCBB": [
    {
      "content": "CCBB. Other Duricryods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm of either the mineral soil surface or the top of an organic layer with andic properties, whichever is shallower.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCBC": [
    {
      "content": "CCBC. Other Duricryods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCBD": [
    {
      "content": "CCBD. Other Duricryods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CCBE": [
    {
      "content": "CCBE. Other Duricryods that have 6.0 percent or more organic carbon throughout a layer 10 cm or more thick within the spodic horizon.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCBF": [
    {
      "content": "CCBF. Other Duricryods.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duricryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Duricryods",
      "crit": "CCBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDA": [
    {
      "content": "CCDA. Haplocryods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDB": [
    {
      "content": "CCDB. Other Haplocryods that have both:",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. Andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquandic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CCDC": [
    {
      "content": "CCDC. Other Haplocryods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDD": [
    {
      "content": "CCDD. Other Haplocryods that have a folistic epipedon.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDE": [
    {
      "content": "CCDE. Other Haplocryods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDF": [
    {
      "content": "CCDF. Other Haplocryods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CCDG": [
    {
      "content": "CCDG. Other Haplocryods that have less than 1.2 percent* organic carbon in the upper 10 cm of the spodic horizon.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCDH": [
    {
      "content": "CCDH. Other Haplocryods.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Haplocryods",
      "crit": "CCDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCCA": [
    {
      "content": "CCCA. Humicryods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humicryods",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCCB": [
    {
      "content": "CCCB. Other Humicryods that have both:",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions * This value equates to approximately 2 percent organic matter.",
      "chapter": 14,
      "page": 314,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCB",
      "clause": 2,
      "logic": "END"
    },
    {
      "content": "for some time in normal years (or artificial drainage); and",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "and 2. Have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Aquandic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "CCCC": [
    {
      "content": "CCCC. Other Humicryods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCCD": [
    {
      "content": "CCCD. Other Humicryods that have a folistic epipedon.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Folistic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCCE": [
    {
      "content": "CCCE. Other Humicryods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCCF": [
    {
      "content": "CCCF. Other Humicryods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CCCG": [
    {
      "content": "CCCG. Other Humicryods.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humicryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humicryods",
      "crit": "CCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCAA": [
    {
      "content": "CCAA. Placocryods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Placocryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCAB": [
    {
      "content": "CCAB. Other Placocryods that have 6.0 percent or more organic carbon in a layer 10 cm or more thick within the spodic horizon.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humic Placocryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CCAC": [
    {
      "content": "CCAC. Other Placocryods.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placocryods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Placocryods",
      "crit": "CCAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBA": [
    {
      "content": "CBA. Gelods that have 6.0 percent or more organic carbon throughout a layer 10 cm or more thick within the spodic horizon.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Great Groups",
      "taxa": "Gelods",
      "crit": "CBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humigelods, p. 315",
      "chapter": 14,
      "page": 315,
      "key": "Key to Great Groups",
      "taxa": "Gelods",
      "crit": "CBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBB": [
    {
      "content": "CBB. Other Gelods.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Great Groups",
      "taxa": "Gelods",
      "crit": "CBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplogelods, p. 315",
      "chapter": 14,
      "page": 315,
      "key": "Key to Great Groups",
      "taxa": "Gelods",
      "crit": "CBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBBA": [
    {
      "content": "CBBA. Haplogelods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplogelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBBB": [
    {
      "content": "CBBB. Other Haplogelods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplogelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBBC": [
    {
      "content": "CBBC. Other Haplogelods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplogelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBBD": [
    {
      "content": "CBBD. Other Haplogelods that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Haplogelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBBE": [
    {
      "content": "CBBE. Other Haplogelods.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplogelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Haplogelods",
      "crit": "CBBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBAA": [
    {
      "content": "CBAA. Humigelods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Humigelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBAB": [
    {
      "content": "CBAB. Other Humigelods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Humigelods",
      "chapter": 14,
      "page": 315,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBAC": [
    {
      "content": "CBAC. Other Humigelods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Humigelods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBAD": [
    {
      "content": "CBAD. Other Humigelods that have gelic materials within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Turbic Humigelods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CBAE": [
    {
      "content": "CBAE. Other Humigelods.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humigelods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Humigelods",
      "crit": "CBAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDA": [
    {
      "content": "CDA. Humods that have a placic horizon within 100 cm of the mineral soil surface in 50 percent or more of each pedon.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placohumods, p. 316",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDB": [
    {
      "content": "CDB. Other Humods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durihumods, p. 316",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDC": [
    {
      "content": "CDC. Other Humods that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragihumods, p. 316",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDD": [
    {
      "content": "CDD. Other Humods.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplohumods, p. 316",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Humods",
      "crit": "CDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDBA": [
    {
      "content": "CDBA. Durihumods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Durihumods",
      "crit": "CDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Durihumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Durihumods",
      "crit": "CDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDBB": [
    {
      "content": "CDBB. Other Durihumods.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Durihumods",
      "crit": "CDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durihumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Durihumods",
      "crit": "CDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDCA": [
    {
      "content": "CDCA. All Fragihumods (provisionally).",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Fragihumods",
      "crit": "CDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragihumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Fragihumods",
      "crit": "CDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDDA": [
    {
      "content": "CDDA. Haplohumods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDDB": [
    {
      "content": "CDDB. Other Haplohumods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDDC": [
    {
      "content": "CDDC. Other Haplohumods that have a surface horizon between 25 and 50 cm thick that meets all of the requirements for a plaggen epipedon except thickness.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploplaggic Haplohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDDD": [
    {
      "content": "CDDD. Other Haplohumods.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Haplohumods",
      "crit": "CDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDAA": [
    {
      "content": "CDAA. Placohumods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Placohumods",
      "crit": "CDAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Placohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Placohumods",
      "crit": "CDAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CDAB": [
    {
      "content": "CDAB. Other Placohumods.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Placohumods",
      "crit": "CDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placohumods",
      "chapter": 14,
      "page": 316,
      "key": "Key to Subgroups",
      "taxa": "Placohumods",
      "crit": "CDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEA": [
    {
      "content": "CEA. Orthods that have, in 50 percent or more of each pedon, a placic horizon within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Placorthods, p. 320",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEB": [
    {
      "content": "CEB. Other Orthods that have, in 90 percent or more of each pedon, a pedogenically cemented horizon that is extremely weakly coherent or more coherent within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durorthods, p. 317",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEC": [
    {
      "content": "CEC. Other Orthods that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiorthods, p. 317",
      "chapter": 14,
      "page": 316,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CED": [
    {
      "content": "CED. Other Orthods that have less than 0.10 percent iron (by ammonium oxalate) in 75 percent or more of the spodic horizon.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alorthods, p. 317",
      "chapter": 14,
      "page": 317,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEE": [
    {
      "content": "CEE. Other Orthods.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplorthods, p. 318",
      "chapter": 14,
      "page": 317,
      "key": "Key to Great Groups",
      "taxa": "Orthods",
      "crit": "CEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDA": [
    {
      "content": "CEDA. Alorthods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEDB": [
    {
      "content": "CEDB. Other Alorthods that:",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm; and",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have an argillic or kandic horizon below the spodic horizon.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Ultic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEDC": [
    {
      "content": "CEDC. Other Alorthods that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 75 to 125 cm.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDD": [
    {
      "content": "CEDD. Other Alorthods that:",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 125 cm or more; and",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in 10 percent or more of each pedon, less than 3.0 percent organic carbon in the upper 2 cm of the spodic horizon.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Grossarenic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEDE": [
    {
      "content": "CEDE. Other Alorthods that have, in 10 percent or more of each pedon, less than 3.0 percent organic carbon in the upper 2 cm of the spodic horizon.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDF": [
    {
      "content": "CEDF. Other Alorthods that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a spodic horizon at a depth of 125 cm or more.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDG": [
    {
      "content": "CEDG. Other Alorthods that have a surface horizon between 25 and 50 cm thick that meets all of the requirements for a plaggen epipedon except thickness.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploplaggic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDH": [
    {
      "content": "CEDH. Other Alorthods that have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDI": [
    {
      "content": "CEDI. Other Alorthods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEDJ": [
    {
      "content": "CEDJ. Other Alorthods.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Alorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Alorthods",
      "crit": "CEDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEBA": [
    {
      "content": "CEBA. Durorthods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Durorthods",
      "crit": "CEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Durorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Durorthods",
      "crit": "CEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEBB": [
    {
      "content": "CEBB. Other Durorthods.",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Durorthods",
      "crit": "CEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Durorthods",
      "crit": "CEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CECA": [
    {
      "content": "CECA. Fragiorthods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragiorthods",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CECB": [
    {
      "content": "CECB. Other Fragiorthods that:",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 317,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Alfic Oxyaquic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "CECC": [
    {
      "content": "CECC. Other Fragiorthods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CECD": [
    {
      "content": "CECD. Other Fragiorthods that have a surface horizon between 25 and 50 cm thick that meets all of the requirements for a plaggen epipedon except thickness.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploplaggic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CECE": [
    {
      "content": "CECE. Other Fragiorthods that have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CECF": [
    {
      "content": "CECF. Other Fragiorthods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CECG": [
    {
      "content": "CECG. Other Fragiorthods that have a spodic horizon that has one of the following:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A texture class of very fine sand, loamy very fine sand, or finer and all of the following:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. A thickness of 10 cm or less; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. A weighted average of less than 1.2 percent* organic carbon; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "c. Within the upper 7.5 cm, either or both a moist color value or chroma of 4 or more (crushed and smoothed sample); or",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "2. A texture class of loamy fine sand, fine sand, or coarser and either or both a moist color value or chroma of 4 or more (crushed and smoothed sample) in the upper 2.5 cm.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Entic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECG",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "CECH": [
    {
      "content": "CECH. Other Fragiorthods.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Fragiorthods",
      "crit": "CECH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEA": [
    {
      "content": "CEEA. Haplorthods that have a lithic contact within 50 cm of the mineral soil surface and either:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A spodic horizon with a texture class of very fine sand, loamy very fine sand, or finer and all of the following:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. A thickness of 10 cm or less; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. A weighted average of less than 1.2 percent* organic carbon; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "c. Within the upper 7.5 cm, either or both a moist color value or chroma of 4 or more (crushed and smoothed sample); or",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "2. A spodic horizon with a texture class of loamy fine sand, fine sand, or coarser and either or both a moist color value or chroma of 4 or more (crushed and smoothed sample) in the upper 2.5 cm.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Entic Lithic Haplorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "CEEB": [
    {
      "content": "CEEB. Other Haplorthods that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEC": [
    {
      "content": "CEEC. Other Haplorthods that have both:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 2
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Haplorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEC",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "CEED": [
    {
      "content": "CEED. Other Haplorthods that have both:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEED",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aqualfic Haplorthods",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEEE": [
    {
      "content": "CEEE. Other Haplorthods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 14,
      "page": 318,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A spodic horizon with a texture class of very fine sand, loamy very fine sand, or finer and all of the following:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. A thickness of 10 cm or less; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A weighted average of less than 1.2 percent* organic carbon; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "c. Within the upper 7.5 cm, either or both a moist color value or chroma of 4 or more (crushed and smoothed sample); or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "2. A spodic horizon with a texture class of loamy fine sand, fine sand, or coarser and either or both a moist color value or chroma of 4 or more (crushed and smoothed sample) in the upper 2.5 cm.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Aquentic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEE",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "CEEF": [
    {
      "content": "CEEF. Other Haplorthods that have redoximorphic features in one or more horizons within 75 cm of the mineral soil surface and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEG": [
    {
      "content": "CEEG. Other Haplorthods that have:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Alfic Oxyaquic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "CEEH": [
    {
      "content": "CEEH. Other Haplorthods that have:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Within 200 cm of the mineral soil surface, an argillic or kandic horizon; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Ultic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "CEEI": [
    {
      "content": "CEEI. Other Haplorthods that have fragic soil properties either:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEEJ": [
    {
      "content": "CEEJ. Other Haplorthods that have both:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Saturation with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. Below the spodic horizon but not below an argillic horizon, lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Lamellic Oxyaquic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEJ",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "CEEK": [
    {
      "content": "CEEK. Other Haplorthods that have, below the spodic horizon but not below an argillic horizon, lamellae (two or more) within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lamellic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEL": [
    {
      "content": "CEEL. Other Haplorthods that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEL",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "CEEM": [
    {
      "content": "CEEM. Other Haplorthods that have andic soil properties throughout horizons that have a total thickness of 25 cm or more within 75 cm either of the mineral soil surface or of the top of an organic layer with andic soil properties, whichever is shallower.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEN": [
    {
      "content": "CEEN. Other Haplorthods that have, within 200 cm of the mineral soil surface, an argillic or kandic horizon that has a base saturation (by sum of cations) of 35 percent or more in some part.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Alfic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEO": [
    {
      "content": "CEEO. Other Haplorthods that have an argillic or kandic horizon within 200 cm of the mineral soil surface.",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ultic Haplorthods",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEEP": [
    {
      "content": "CEEP. Other Haplorthods that have a spodic horizon that has one of the following:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A texture class of very fine sand, loamy very fine sand, or finer and all of the following:",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "a. A thickness of 10 cm or less; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "b. A weighted average of less than 1.2 percent* organic carbon; and",
      "chapter": 14,
      "page": 319,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "c. Within the upper 7.5 cm, either or both a moist color value or chroma of 4 or more (crushed and smoothed sample); or",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "2. A texture class of loamy fine sand, fine sand, or coarser and either or both a moist color value or chroma of 4 or more (crushed and smoothed sample) in the upper 2.5 cm.",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Entic Haplorthods",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEP",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "CEEQ": [
    {
      "content": "CEEQ. Other Haplorthods.",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplorthods",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Haplorthods",
      "crit": "CEEQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "CEAA": [
    {
      "content": "CEAA. All Placorthods (provisionally).",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Placorthods",
      "crit": "CEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Placorthods",
      "chapter": 14,
      "page": 320,
      "key": "Key to Subgroups",
      "taxa": "Placorthods",
      "crit": "CEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HA": [
    {
      "content": "HA. Ultisols that have aquic conditions for some time in normal years (or artificial drainage) in one or more horizons within 50 cm of the mineral soil surface and one or both of the following:",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redoximorphic features in all layers between either the lower boundary of an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 40 cm and one of the following within the upper 12.5 cm of the argillic or kandic horizon:",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Redox concentrations and 50 percent or more redox depletions with chroma of 2 or less either on faces of peds or in the matrix; or",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 50 percent or more redox depletions with chroma of 1 or less either on faces of peds or in the matrix; or",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Distinct or prominent redox concentrations and 50 percent or more hue of 2.5Y or 5Y in the matrix and also a thermic, isothermic, or warmer soil temperature regime; or",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "or 2. Within 50 cm of the mineral soil surface, enough active ferrous iron to give a positive reaction to alpha,alpha- dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquults, p. 321",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HA",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HB": [
    {
      "content": "HB. Other Ultisols that have one or both of the following:",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 0.9 percent* (by weighted average) or more organic carbon in the upper 15 cm of the argillic or kandic horizon; or",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. 12 kg/m2 or more organic carbon between the mineral soil surface and a depth of 100 cm.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humults, p. 325",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HB",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "HC": [
    {
      "content": "HC. Other Ultisols that have a udic soil moisture regime.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udults, p. 328",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HD": [
    {
      "content": "HD. Other Ultisols that have an ustic soil moisture regime.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustults, p. 336",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HE": [
    {
      "content": "HE. Other Ultisols.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xerults, p. 340",
      "chapter": 15,
      "page": 321,
      "key": "Key to Suborders",
      "taxa": "Ultisols",
      "crit": "HE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAA": [
    {
      "content": "HAA. Aquults that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase† or constitutes one-half or more of the volume.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthaquults, p. 325",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAB": [
    {
      "content": "HAB. Other Aquults that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiaquults, p. 323",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAC": [
    {
      "content": "HAC. Other Aquults that have an abrupt textural change between the ochric epipedon or albic horizon and the argillic or kandic horizon and have a saturated hydraulic conductivity of 0.4 cm/hr (1.0 µm/sec) or slower (moderately low or lower Ksat class) in the argillic or kandic horizon.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Albaquults, p. 322",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAD": [
    {
      "content": "HAD. Other Aquults that:",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a kandic horizon; and",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) clay depletions on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandiaquults, p. 323",
      "chapter": 15,
      "page": 321,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAD",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HAE": [
    {
      "content": "HAE. Other Aquults that have a kandic horizon.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplaquults, p. 324",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAF": [
    {
      "content": "HAF. Other Aquults that:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) clay depletions on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Paleaquults, p. 324",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAF",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "HAG": [
    {
      "content": "HAG. Other Aquults that have an umbric or mollic epipedon.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbraquults, p. 325",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAH": [
    {
      "content": "HAH. Other Aquults that have episaturation.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquults, p. 322",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAI": [
    {
      "content": "HAI. Other Aquults.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquults, p. 322",
      "chapter": 15,
      "page": 322,
      "key": "Key to Great Groups",
      "taxa": "Aquults",
      "crit": "HAI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HACA": [
    {
      "content": "HACA. Albaquults that have one or both of the following:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Albaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HACB": [
    {
      "content": "HACB. Other Albaquults that have a kandic horizon.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandic Albaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HACC": [
    {
      "content": "HACC. Other Albaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Albaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HACD": [
    {
      "content": "HACD. Other Albaquults.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Albaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Albaquults",
      "crit": "HACD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAIA": [
    {
      "content": "HAIA. Endoaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Endoaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAIB": [
    {
      "content": "HAIB. Other Endoaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Endoaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAIC": [
    {
      "content": "HAIC. Other Endoaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Endoaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAIC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAID": [
    {
      "content": "HAID. Other Endoaquults.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAID",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Endoaquults",
      "crit": "HAID",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAHA": [
    {
      "content": "HAHA. Epiaquults that have one or both of the following:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge-shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "or 2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Epiaquults",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAHB": [
    {
      "content": "HAHB. Other Epiaquults that have both of the following:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 322,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aeric Fragic Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHB",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HAHC": [
    {
      "content": "HAHC. Other Epiaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAHD": [
    {
      "content": "HAHD. Other Epiaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAHE": [
    {
      "content": "HAHE. Other Epiaquults that have fragic soil properties either:",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAHF": [
    {
      "content": "HAHF. Other Epiaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAHG": [
    {
      "content": "HAHG. Other Epiaquults.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Epiaquults",
      "crit": "HAHG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HABA": [
    {
      "content": "HABA. Fragiaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and the fragipan.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Fragiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HABB": [
    {
      "content": "HABB. Other Fragiaquults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Fragiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HABC": [
    {
      "content": "HABC. Other Fragiaquults that have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Fragiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HABD": [
    {
      "content": "HABD. Other Fragiaquults.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Fragiaquults",
      "crit": "HABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADA": [
    {
      "content": "HADA. Kandiaquults that have an ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acraquoxic Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADB": [
    {
      "content": "HADB. Other Kandiaquults that:",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HADC": [
    {
      "content": "HADC. Other Kandiaquults that:",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Umbric Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HADD": [
    {
      "content": "HADD. Other Kandiaquults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADE": [
    {
      "content": "HADE. Other Kandiaquults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADF": [
    {
      "content": "HADF. Other Kandiaquults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiaquults",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADG": [
    {
      "content": "HADG. Other Kandiaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 323,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Kandiaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADH": [
    {
      "content": "HADH. Other Kandiaquults that have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Kandiaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HADI": [
    {
      "content": "HADI. Other Kandiaquults.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kandiaquults",
      "crit": "HADI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAEA": [
    {
      "content": "HAEA. Kanhaplaquults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "b. [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aquandic Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HAEB": [
    {
      "content": "HAEB. Other Kanhaplaquults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAEC": [
    {
      "content": "HAEC. Other Kanhaplaquults that have both of the following:",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm; and",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A mollic or umbric epipedon.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aeric Umbric Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAED": [
    {
      "content": "HAED. Other Kanhaplaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAEE": [
    {
      "content": "HAEE. Other Kanhaplaquults that have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAEF": [
    {
      "content": "HAEF. Other Kanhaplaquults.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhaplaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplaquults",
      "crit": "HAEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFA": [
    {
      "content": "HAFA. Paleaquults that have one or both of the following:",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAFB": [
    {
      "content": "HAFB. Other Paleaquults that:",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Paleaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAFC": [
    {
      "content": "HAFC. Other Paleaquults that:",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "3. Have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Umbric Paleaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HAFD": [
    {
      "content": "HAFD. Other Paleaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Paleaquults",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFE": [
    {
      "content": "HAFE. Other Paleaquults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 324,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Paleaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFF": [
    {
      "content": "HAFF. Other Paleaquults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Paleaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFG": [
    {
      "content": "HAFG. Other Paleaquults that have 50 percent or more chroma of 3 or more in one or more horizons between either the A or Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aeric Paleaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFH": [
    {
      "content": "HAFH. Other Paleaquults that have a mollic or umbric epipedon.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Umbric Paleaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAFI": [
    {
      "content": "HAFI. Other Paleaquults.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Paleaquults",
      "crit": "HAFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAAA": [
    {
      "content": "HAAA. Plinthaquults that have a kandic horizon or a CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+)/kg clay in 50 percent or more (by volume) of the argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquults",
      "crit": "HAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kandic Plinthaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquults",
      "crit": "HAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAAB": [
    {
      "content": "HAAB. Other Plinthaquults.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquults",
      "crit": "HAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthaquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Plinthaquults",
      "crit": "HAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAGA": [
    {
      "content": "HAGA. Umbraquults that have 5 to 50 percent (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Umbraquults",
      "crit": "HAGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Umbraquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Umbraquults",
      "crit": "HAGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HAGB": [
    {
      "content": "HAGB. Other Umbraquults.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Umbraquults",
      "crit": "HAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Umbraquults",
      "chapter": 15,
      "page": 325,
      "key": "Key to Subgroups",
      "taxa": "Umbraquults",
      "crit": "HAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBA": [
    {
      "content": "HBA. Humults that have a sombric horizon within 100 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sombrihumults, p. 328",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBB": [
    {
      "content": "HBB. Other Humults that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase* or constitutes one-half or more of the volume.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthohumults, p. 328",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBC": [
    {
      "content": "HBC. Other Humults that:",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a kandic horizon; and",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandihumults, p. 326",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBC",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HBD": [
    {
      "content": "HBD. Other Humults that have a kandic horizon.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplohumults, p. 327",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBE": [
    {
      "content": "HBE. Other Humults that:",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Palehumults, p. 328",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBE",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "HBF": [
    {
      "content": "HBF. Other Humults.",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplohumults, p. 326",
      "chapter": 15,
      "page": 325,
      "key": "Key to Great Groups",
      "taxa": "Humults",
      "crit": "HBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFA": [
    {
      "content": "HBFA. Haplohumults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFB": [
    {
      "content": "HBFB. Other Haplohumults that have both of the following:",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquandic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBFC": [
    {
      "content": "HBFC. Other Haplohumults that have, in one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFD": [
    {
      "content": "HBFD. Other Haplohumults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFE": [
    {
      "content": "HBFE. Other Haplohumults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFF": [
    {
      "content": "HBFF. Other Haplohumults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBFG": [
    {
      "content": "HBFG. Other Haplohumults that have an ustic soil moisture regime.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFH": [
    {
      "content": "HBFH. Other Haplohumults that have a xeric soil moisture regime.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBFI": [
    {
      "content": "HBFI. Other Haplohumults.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplohumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Haplohumults",
      "crit": "HBFI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCA": [
    {
      "content": "HBCA. Kandihumults that meet all of the following:",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, have a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 75 cm of the mineral soil surface, have redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Andic Ombroaquic Kandihumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HBCB": [
    {
      "content": "HBCB. Other Kandihumults that have both of the following:",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. An ustic soil moisture regime.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustandic Kandihumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBCC": [
    {
      "content": "HBCC. Other Kandihumults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kandihumults",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCD": [
    {
      "content": "HBCD. Other Kandihumults that have, in one or more subhorizons within the upper 25 cm of the kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 326,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCE": [
    {
      "content": "HBCE. Other Kandihumults that:",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HBCF": [
    {
      "content": "HBCF. Other Kandihumults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCG": [
    {
      "content": "HBCG. Other Kandihumults that have an ustic soil moisture regime.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCH": [
    {
      "content": "HBCH. Other Kandihumults that have a xeric soil moisture regime.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCI": [
    {
      "content": "HBCI. Other Kandihumults that have an anthropic epipedon.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthropic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBCJ": [
    {
      "content": "HBCJ. Other Kandihumults.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandihumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kandihumults",
      "crit": "HBCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDA": [
    {
      "content": "HBDA. Kanhaplohumults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDB": [
    {
      "content": "HBDB. Other Kanhaplohumults that have both of the following:",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An ustic soil moisture regime; and",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Ustandic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBDC": [
    {
      "content": "HBDC. Other Kanhaplohumults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDD": [
    {
      "content": "HBDD. Other Kanhaplohumults that have, in one or more subhorizons within the upper 25 cm of the kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDE": [
    {
      "content": "HBDE. Other Kanhaplohumults that:",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HBDF": [
    {
      "content": "HBDF. Other Kanhaplohumults that have an ustic soil moisture regime.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDG": [
    {
      "content": "HBDG. Other Kanhaplohumults that have a xeric soil moisture regime.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDH": [
    {
      "content": "HBDH. Other Kanhaplohumults that have an anthropic epipedon.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthropic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBDI": [
    {
      "content": "HBDI. Other Kanhaplohumults.",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhaplohumults",
      "chapter": 15,
      "page": 327,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplohumults",
      "crit": "HBDI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBEA": [
    {
      "content": "HBEA. Palehumults that have both of the following:",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquandic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBEB": [
    {
      "content": "HBEB. Other Palehumults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBEC": [
    {
      "content": "HBEC. Other Palehumults that have, in one or more subhorizons within the upper 25 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBED": [
    {
      "content": "HBED. Other Palehumults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBEE": [
    {
      "content": "HBEE. Other Palehumults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HBEF": [
    {
      "content": "HBEF. Other Palehumults that have an ustic soil moisture regime.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBEG": [
    {
      "content": "HBEG. Other Palehumults that have a xeric soil moisture regime.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Xeric Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBEH": [
    {
      "content": "HBEH. Other Palehumults.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palehumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Palehumults",
      "crit": "HBEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBBA": [
    {
      "content": "HBBA. All Plinthohumults.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Plinthohumults",
      "crit": "HBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthohumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Plinthohumults",
      "crit": "HBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HBAA": [
    {
      "content": "HBAA. All Sombrihumults.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Sombrihumults",
      "crit": "HBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sombrihumults",
      "chapter": 15,
      "page": 328,
      "key": "Key to Subgroups",
      "taxa": "Sombrihumults",
      "crit": "HBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCA": [
    {
      "content": "HCA. Udults that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase* or constitutes one-half or more of the volume.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthudults, p. 336",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCB": [
    {
      "content": "HCB. Other Udults that have a fragipan within 100 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Fragiudults, p. 329",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCC": [
    {
      "content": "HCC. Other Udults that:",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a kandic horizon; and",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandiudults, p. 331",
      "chapter": 15,
      "page": 328,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCC",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HCD": [
    {
      "content": "HCD. Other Udults that have a kandic horizon.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhapludults, p. 333",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCE": [
    {
      "content": "HCE. Other Udults that:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Paleudults, p. 334",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCE",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "HCF": [
    {
      "content": "HCF. Other Udults that have both of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An epipedon that has a color value, moist, of 3 or less throughout; and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all subhorizons in the upper 100 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 100 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "c. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Rhodudults, p. 336",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCF",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HCG": [
    {
      "content": "HCG. Other Udults.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapludults, p. 330",
      "chapter": 15,
      "page": 329,
      "key": "Key to Great Groups",
      "taxa": "Udults",
      "crit": "HCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCBA": [
    {
      "content": "HCBA. Fragiudults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic or kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCBB": [
    {
      "content": "HCBB. Other Fragiudults that have both of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 40 cm of the mineral soil surface, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCBC": [
    {
      "content": "HCBC. Other Fragiudults that meet both of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. One or more of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. Have a glossic horizon above the fragipan; or",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. Do not have, above the fragipan, an argillic or kandic horizon that has clay films on both vertical and horizontal surfaces of any peds; or",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Between the argillic or kandic horizon and the fragipan, have one or more horizons with 50 percent or more chroma of 3 or less and with a clay content 3 percent or more (absolute, in the fine-earth fraction) lower than that in both the argillic or kandic horizon and the fragipan; and",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. In one or more horizons within 40 cm of the mineral soil surface, have redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Glossaquic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBC",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HCBD": [
    {
      "content": "HCBD. Other Fragiudults that have, in one or more subhorizons above the fragipan and within the upper 25 cm of the argillic or kandic horizon, redox depletions with chroma of 2 or less and also aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCBE": [
    {
      "content": "HCBE. Other Fragiudults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCBF": [
    {
      "content": "HCBF. Other Fragiudults that meet one or more of the following:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Have a glossic horizon above the fragipan; or",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Do not have, above the fragipan, an argillic or kandic horizon that has clay films on both vertical and horizontal surfaces of any peds; or",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Between the argillic or kandic horizon and the fragipan, have one or more horizons with 50 percent or more chroma of 3 or less and with a clay content 3 percent or more (absolute, in the fine-earth fraction) lower than that in both the argillic or kandic horizon and the fragipan.",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Glossic Fragiudults",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBF",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCBG": [
    {
      "content": "HCBG. Other Fragiudults that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) in either:",
      "chapter": 15,
      "page": 329,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An Ap horizon that is 18 cm or more thick; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. The surface layer after mixing of the upper 18 cm.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Fragiudults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCBH": [
    {
      "content": "HCBH. Other Fragiudults.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Fragiudults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Fragiudults",
      "crit": "HCBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCGA": [
    {
      "content": "HCGA. Hapludults that have either or both:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In each pedon, a discontinuous lithic contact* within 50 cm of the mineral soil surface; and/or 2. In each pedon, a discontinuous argillic horizon that is interrupted by ledges of bedrock.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGA",
      "clause": 2,
      "logic": "END"
    },
    {
      "content": "Lithic-Ruptic-Entic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGA",
      "clause": 3,
      "logic": "LAST"
    }
  ],
  "HCGB": [
    {
      "content": "HCGB. Other Hapludults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCGC": [
    {
      "content": "HCGC. Other Hapludults that have one or both of the following:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGD": [
    {
      "content": "HCGD. Other Hapludults that have both of the following:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGD",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCGE": [
    {
      "content": "HCGE. Other Hapludults that:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in one or more layers within 100 cm of the mineral soil surface, one or both of the following:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Redox concentrations and aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCGF": [
    {
      "content": "HCGF. Other Hapludults that have, in one or more layers within 100 cm of the mineral soil surface, one or both of the following:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Redox concentrations and aquic conditions for some time in normal years (or artificial drainage); or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Redox depletions with a color value, moist, of 4 or more and chroma of 2 or less and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGG": [
    {
      "content": "HCGG. Other Hapludults that have fragic soil properties either:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGH": [
    {
      "content": "HCGH. Other Hapludults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Hapludults",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGI": [
    {
      "content": "HCGI. Other Hapludults that have an argillic horizon that:",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or * The lithic contact may either be present in only part of each pedon, or it may fluctuate in depth from less than 50 cm to more than 50 cm in each pedon.",
      "chapter": 15,
      "page": 330,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 6,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 7,
      "logic": "END"
    },
    {
      "content": "Lamellic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGI",
      "clause": 8,
      "logic": "LAST"
    }
  ],
  "HCGJ": [
    {
      "content": "HCGJ. Other Hapludults that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCGK": [
    {
      "content": "HCGK. Other Hapludults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCGL": [
    {
      "content": "HCGL. Other Hapludults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCGM": [
    {
      "content": "HCGM. Other Hapludults that:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, or paralithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have an argillic horizon that is 25 cm or less thick.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Inceptic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGN": [
    {
      "content": "HCGN. Other Hapludults that have a color value, moist, of 3 or less and a color value, dry, of 5 or less (crushed and smoothed sample) in either:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGN",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. An Ap horizon that is 18 cm or more thick; or",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGN",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. The surface layer after mixing of the upper 18 cm.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGN",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Humic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGN",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCGO": [
    {
      "content": "HCGO. Other Hapludults.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapludults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Hapludults",
      "crit": "HCGO",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCA": [
    {
      "content": "HCCA. Kandiudults that have all of the following:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more layers either within 75 cm of the mineral soil surface or, if the chroma throughout the upper 75 cm results from uncoated sand grains, within the upper 12.5 cm of the kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthaquic Kandiudults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCCB": [
    {
      "content": "HCCB. Other Kandiudults that:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in one or more layers either within 75 cm of the mineral soil surface or, if the chroma throughout the upper 75 cm results from uncoated sand grains, within the upper 12.5 cm of the kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Kandiudults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCC": [
    {
      "content": "HCCC. Other Kandiudults that:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Kandiudults",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCD": [
    {
      "content": "HCCD. Other Kandiudults that:",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 331,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in all subhorizons in the upper 75 cm of the kandic horizon or throughout the entire kandic horizon if it is less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "c. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Arenic Rhodic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HCCE": [
    {
      "content": "HCCE. Other Kandiudults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCF": [
    {
      "content": "HCCF. Other Kandiudults that:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Grossarenic Plinthic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCG": [
    {
      "content": "HCCG. Other Kandiudults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCH": [
    {
      "content": "HCCH. Other Kandiudults that have both of the following:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCH",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCH",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Acrudoxic Plinthic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCH",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCI": [
    {
      "content": "HCCI. Other Kandiudults that have an ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCJ": [
    {
      "content": "HCCJ. Other Kandiudults that have both of the following:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCK": [
    {
      "content": "HCCK. Other Kandiudults that have both of the following:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, one or more of the following:",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; or",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. More than 35 percent (by volume) particles 2.0 mm or larger in diameter, of which more than 66 percent is cinders, pumice, and pumicelike fragments; or",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "c. A fine-earth fraction containing 30 percent or more particles 0.02 to 2.0 mm in diameter; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 6,
      "logic": "AND"
    },
    {
      "content": "(1) In the 0.02 to 2.0 mm fraction, 5 percent or more volcanic glass; and",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 7,
      "logic": "AND"
    },
    {
      "content": "(2) [(Al plus 1 /2 Fe, percent extracted by ammonium oxalate) times 60] plus the volcanic glass (percent) is equal to 30 or more.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 8,
      "logic": "END"
    },
    {
      "content": "Aquandic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCK",
      "clause": 9,
      "logic": "LAST"
    }
  ],
  "HCCL": [
    {
      "content": "HCCL. Other Kandiudults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCM": [
    {
      "content": "HCCM. Other Kandiudults that have, in one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiudults",
      "chapter": 15,
      "page": 332,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCN": [
    {
      "content": "HCCN. Other Kandiudults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCO": [
    {
      "content": "HCCO. Other Kandiudults that:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCO",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCCP": [
    {
      "content": "HCCP. Other Kandiudults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCP",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCP",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCP",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCP",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCCQ": [
    {
      "content": "HCCQ. Other Kandiudults that have a sombric horizon within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sombric Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCCR": [
    {
      "content": "HCCR. Other Kandiudults that have, in all subhorizons in the upper 75 cm of the kandic horizon or throughout the entire kandic horizon if it is less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCR",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCR",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCR",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCR",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCR",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCCS": [
    {
      "content": "HCCS. Other Kandiudults.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCS",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiudults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kandiudults",
      "crit": "HCCS",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDA": [
    {
      "content": "HCDA. Kanhapludults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDB": [
    {
      "content": "HCDB. Other Kanhapludults that have both of the following:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCDC": [
    {
      "content": "HCDC. Other Kanhapludults that:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCDD": [
    {
      "content": "HCDD. Other Kanhapludults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDE": [
    {
      "content": "HCDE. Other Kanhapludults that have an ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrudoxic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDF": [
    {
      "content": "HCDF. Other Kanhapludults that have both of the following:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Kanhapludults",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDF",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCDG": [
    {
      "content": "HCDG. Other Kanhapludults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 333,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDH": [
    {
      "content": "HCDH. Other Kanhapludults that have, in one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDI": [
    {
      "content": "HCDI. Other Kanhapludults that:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCDJ": [
    {
      "content": "HCDJ. Other Kanhapludults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCDK": [
    {
      "content": "HCDK. Other Kanhapludults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCDL": [
    {
      "content": "HCDL. Other Kanhapludults that have fragic soil properties either:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDL",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDL",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDL",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDL",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCDM": [
    {
      "content": "HCDM. Other Kanhapludults that have, in all subhorizons in the upper 50 cm of the kandic horizon or throughout the entire kandic horizon if it is less than 50 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDM",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDM",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDM",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDM",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCDN": [
    {
      "content": "HCDN. Other Kanhapludults.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhapludults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Kanhapludults",
      "crit": "HCDN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEA": [
    {
      "content": "HCEA. Paleudults that have one or both of the following:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Cracks within 125 cm of the mineral soil surface that are 5 mm or more wide through a thickness of 30 cm or more for some time in normal years and slickensides or wedge- shaped peds in a layer 15 cm or more thick that has its upper boundary within 125 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A linear extensibility of 6.0 cm or more between the mineral soil surface and either a depth of 100 cm or a densic, lithic, or paralithic contact, whichever is shallower.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Vertic Paleudults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEB": [
    {
      "content": "HCEB. Other Paleudults that have a horizon 5 cm or more thick, either below an Ap horizon or at a depth of 18 cm or more from the mineral soil surface, whichever is deeper, that has one or more of the following:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. 25 percent or more of the horizon in each pedon is extremely weakly coherent or more coherent due to pedogenic cementation by organic matter and aluminum, with or without iron; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling 0.25 or more, and half that amount or less in an overlying horizon; or",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. An ODOE value of 0.12 or more, and a value half as high or lower in an overlying horizon.",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Spodic Paleudults",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCEC": [
    {
      "content": "HCEC. Other Paleudults that have all of the following:",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. In one or more layers either within 75 cm of the mineral soil surface or, if the chroma throughout the upper 75 cm results from uncoated sand grains, within the upper 12.5 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 334,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEC",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthaquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEC",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCED": [
    {
      "content": "HCED. Other Paleudults that:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more; and",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCED",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in one or more layers either within 75 cm of the mineral soil surface or, if the chroma throughout the upper 75 cm results from uncoated sand grains, within the upper 12.5 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCED",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Arenic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCED",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEE": [
    {
      "content": "HCEE. Other Paleudults that have anthraquic conditions.",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Anthraquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEF": [
    {
      "content": "HCEF. Other Paleudults that have both of the following:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers either within 75 cm of the mineral soil surface or, if the chroma throughout the upper 75 cm results from uncoated sand grains, within the upper 12.5 cm of the argillic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEF",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Plinthaquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEF",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEG": [
    {
      "content": "HCEG. Other Paleudults that have both of the following:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Fragic soil properties either:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. In 60 percent or more of the volume of a layer 15 cm or more thick; and",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "2. In one or more layers either within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Fragiaquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEG",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HCEH": [
    {
      "content": "HCEH. Other Paleudults that have, in one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEI": [
    {
      "content": "HCEI. Other Paleudults that in normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEJ": [
    {
      "content": "HCEJ. Other Paleudults that have an argillic horizon that:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic horizon); or",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic horizon) and one or more parts of the argillic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEJ",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HCEK": [
    {
      "content": "HCEK. Other Paleudults that:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEK",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEK",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEL": [
    {
      "content": "HCEL. Other Paleudults that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Paleudults",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEM": [
    {
      "content": "HCEM. Other Paledults that:",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more; and",
      "chapter": 15,
      "page": 335,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEM",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEM",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Grossarenic Plinthic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEM",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCEN": [
    {
      "content": "HCEN. Other Paleudults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEO": [
    {
      "content": "HCEO. Other Paleudults that:",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm; and",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have, in all subhorizons in the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "c. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Arenic Rhodic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEO",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HCEP": [
    {
      "content": "HCEP. Other Paleudults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCEQ": [
    {
      "content": "HCEQ. Other Paleudults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEQ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCEQ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCER": [
    {
      "content": "HCER. Other Paleudults that have fragic soil properties either:",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCER",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. In 30 percent or more of the volume of a layer 15 cm or more thick that has its upper boundary within 100 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCER",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. In 60 percent or more of the volume of a layer 15 cm or more thick.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCER",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Fragic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCER",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HCES": [
    {
      "content": "HCES. Other Paleudults that have, in all subhorizons in the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCES",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCES",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCES",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCES",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCES",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HCET": [
    {
      "content": "HCET. Other Paleudults.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCET",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Paleudults",
      "crit": "HCET",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCAA": [
    {
      "content": "HCAA. All Plinthudults.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Plinthudults",
      "crit": "HCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Plinthudults",
      "crit": "HCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCFA": [
    {
      "content": "HCFA. Rhodudults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Rhodudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCFB": [
    {
      "content": "HCFB. Other Rhodudults that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Rhodudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HCFC": [
    {
      "content": "HCFC. Other Rhodudults.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Rhodudults",
      "chapter": 15,
      "page": 336,
      "key": "Key to Subgroups",
      "taxa": "Rhodudults",
      "crit": "HCFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDA": [
    {
      "content": "HDA. Ustults that have one or more horizons within 150 cm of the mineral soil surface in which plinthite either forms a continuous phase* or constitutes one-half or more of the volume.",
      "chapter": 15,
      "page": 336,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthustults, p. 340",
      "chapter": 15,
      "page": 336,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDB": [
    {
      "content": "HDB. Other Ustults that:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have a kandic horizon; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Kandiustults, p. 338",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDB",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HDC": [
    {
      "content": "HDC. Other Ustults that have a kandic horizon.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplustults, p. 339",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDD": [
    {
      "content": "HDD. Other Ustults that:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Paleustults, p. 340",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDD",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "HDE": [
    {
      "content": "HDE. Other Ustults that have both of the following:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An epipedon that has a color value, moist, of 3 or less throughout; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In all subhorizons in the upper 100 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 100 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "c. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Rhodustults, p. 340",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDE",
      "clause": 7,
      "logic": "NEW"
    }
  ],
  "HDF": [
    {
      "content": "HDF. Other Ustults.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplustults, p. 337",
      "chapter": 15,
      "page": 337,
      "key": "Key to Great Groups",
      "taxa": "Ustults",
      "crit": "HDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFA": [
    {
      "content": "HDFA. Haplustults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFB": [
    {
      "content": "HDFB. Other Haplustults that have a petroferric contact within 100 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petroferric Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFC": [
    {
      "content": "HDFC. Other Haplustults that have, in one or more layers both within the upper 12.5 cm of the argillic horizon and within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFD": [
    {
      "content": "HDFD. Other Haplustults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic horizon at a depth of 50 cm or more below the mineral soil surface.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFE": [
    {
      "content": "HDFE. Other Haplustults that:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDFF": [
    {
      "content": "HDFF. Other Haplustults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFG": [
    {
      "content": "HDFG. Other Haplustults that have a CEC (by 1N NH4 OAc pH 7) of less than 24 cmol(+)/kg clay in 50 percent or more of the entire argillic horizon if less than 100 cm thick or of its upper 100 cm.",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Kanhaplic Haplustults",
      "chapter": 15,
      "page": 337,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDFH": [
    {
      "content": "HDFH. Other Haplustults.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Haplustults",
      "crit": "HDFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBA": [
    {
      "content": "HDBA. Kandiustults that have an ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrustoxic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBB": [
    {
      "content": "HDBB. Other Kandiustults that have, in one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBC": [
    {
      "content": "HDBC. Other Kandiustults that:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 cm or more; and",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Arenic Plinthic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HDBD": [
    {
      "content": "HDBD. Other Kandiustults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 cm or more.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBE": [
    {
      "content": "HDBE. Other Kandiustults that have both of the following:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that is dry in some part for 135 or fewer of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Udandic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDBF": [
    {
      "content": "HDBF. Other Kandiustults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBG": [
    {
      "content": "HDBG. Other Kandiustults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDBH": [
    {
      "content": "HDBH. Other Kandiustults that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A thermic, mesic, or colder soil temperature regime and a moisture control section that in normal years is dry in some part for more than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aridic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDBI": [
    {
      "content": "HDBI. Other Kandiustults that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for 135 or fewer of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Kandiustults",
      "chapter": 15,
      "page": 338,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HDBJ": [
    {
      "content": "HDBJ. Other Kandiustults that have, in all subhorizons in the upper 75 cm of the kandic horizon or throughout the entire kandic horizon if it is less than 75 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBJ",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBJ",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kandiustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBJ",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HDBK": [
    {
      "content": "HDBK. Other Kandiustults.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBK",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kandiustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kandiustults",
      "crit": "HDBK",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCA": [
    {
      "content": "HDCA. Kanhaplustults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCB": [
    {
      "content": "HDCB. Other Kanhaplustults that have an ECEC of 1.5 cmol(+)/kg clay or less (sum of bases extracted with 1N NH4 OAc pH 7, plus 1N KCl-extractable Al) in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Acrustoxic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCC": [
    {
      "content": "HDCC. Other Kanhaplustults that have, in one or more layers within 75 cm of the mineral soil surface, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCD": [
    {
      "content": "HDCD. Other Kanhaplustults that have a texture class (fine-earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of a kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCE": [
    {
      "content": "HDCE. Other Kanhaplustults that have both of the following:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0; and",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. When neither irrigated nor fallowed to store moisture, either:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for 135 or fewer of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Udandic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCE",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDCF": [
    {
      "content": "HDCF. Other Kanhaplustults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCG": [
    {
      "content": "HDCG. Other Kanhaplustults that have 5 percent or more (by volume) plinthite in one or more horizons within 150 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Plinthic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDCH": [
    {
      "content": "HDCH. Other Kanhaplustults that:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Have, in one or more horizons within 75 cm of the mineral soil surface, redox concentrations, a color value, moist, of 4 or more, and hue that is 10YR or yellower and becomes redder with increasing depth within 100 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. In normal years are saturated with water in one or more layers within 100 cm of the mineral soil surface for either or both:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 20 or more consecutive days; or",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. 30 or more cumulative days.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Ombroaquic Kanhaplustults",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCH",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDCI": [
    {
      "content": "HDCI. Other Kanhaplustults that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A thermic, mesic, or colder soil temperature regime and a moisture control section that in normal years is dry in some part for more than four-tenths of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years:",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. Is moist in some or all parts for fewer than 90 consecutive days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C; and",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "and b. Is dry in some part for six-tenths or more of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C.",
      "chapter": 15,
      "page": 339,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aridic Kanhaplustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCI",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDCJ": [
    {
      "content": "HDCJ. Other Kanhaplustults that, when neither irrigated nor fallowed to store moisture, have either:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCJ",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A mesic or thermic soil temperature regime and a moisture control section that in normal years is dry in some part for 135 or fewer of the cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 5 o C; or",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCJ",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A hyperthermic, isomesic, or warmer iso soil temperature regime and a moisture control section that in normal years is dry in some or all parts for fewer than 120 cumulative days per year when the soil temperature at a depth of 50 cm below the soil surface is higher than 8 o C.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Udic Kanhaplustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HDCK": [
    {
      "content": "HDCK. Other Kanhaplustults that have, in all subhorizons in the upper 50 cm of the kandic horizon or throughout the entire kandic horizon if it is less than 50 cm thick, more than 50 percent colors that have all of the following:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. Hue of 2.5YR or redder; and",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCK",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A value, moist, of 3 or less; and",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCK",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "3. A dry value no more than 1 unit higher than the moist value.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCK",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Rhodic Kanhaplustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCK",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "HDCL": [
    {
      "content": "HDCL. Other Kanhaplustults.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Kanhaplustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Kanhaplustults",
      "crit": "HDCL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDDA": [
    {
      "content": "HDDA. All Paleustults.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Paleustults",
      "crit": "HDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Paleustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Paleustults",
      "crit": "HDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDAA": [
    {
      "content": "HDAA. Plinthustults that have either:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A densic, lithic, paralithic, or petroferric contact within 150 cm of the mineral soil surface; or",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, both:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. With increasing depth, a clay decrease of 20 percent or more (relative) from the maximum clay content; and",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. Less than 5 percent (by volume) skeletans on faces of peds in the layer that has a 20 percent lower clay content or, below that layer, a clay increase of less than 3 percent (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Haplic Plinthustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAA",
      "clause": 6,
      "logic": "LAST"
    }
  ],
  "HDAB": [
    {
      "content": "HDAB. Other Plinthustults.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Plinthustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Plinthustults",
      "crit": "HDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDEA": [
    {
      "content": "HDEA. Rhodustults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Rhodustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDEB": [
    {
      "content": "HDEB. Other Rhodustults that have a sandy particle-size class throughout the upper 75 cm of the argillic horizon or throughout the entire argillic horizon if it is less than 75 cm thick.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Rhodustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HDEC": [
    {
      "content": "HDEC. Other Rhodustults.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Rhodustults",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Rhodustults",
      "crit": "HDEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEA": [
    {
      "content": "HEA. Xerults that:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "1. Do not have a densic, lithic, or paralithic contact within 150 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Within 150 cm of the mineral soil surface, either:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "a. With increasing depth, do not have a clay decrease of 20 percent or more (relative) from the maximum clay content; or",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "b. Have 5 percent or more (by volume) skeletans on faces of peds or 5 percent or more (by volume) plinthite, or both, in the layer that has a 20 percent lower clay content and, below that layer, a clay increase of 3 percent or more (absolute) in the fine-earth fraction.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Palexerults, p. 341",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEA",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "HEB": [
    {
      "content": "HEB. Other Xerults.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxerults, p. 340",
      "chapter": 15,
      "page": 340,
      "key": "Key to Great Groups",
      "taxa": "Xerults",
      "crit": "HEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBA": [
    {
      "content": "HEBA. Haploxerults that have both of the following:",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A lithic contact within 50 cm of the mineral soil surface; and",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "and 2. In each pedon, a discontinuous argillic or kandic horizon that is interrupted by ledges of bedrock.",
      "chapter": 15,
      "page": 340,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Lithic Ruptic-Inceptic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HEBB": [
    {
      "content": "HEBB. Other Haploxerults that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBC": [
    {
      "content": "HEBC. Other Haploxerults that have, in one or more subhorizons within the upper 25 cm of the argillic or kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBD": [
    {
      "content": "HEBD. Other Haploxerults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBE": [
    {
      "content": "HEBE. Other Haploxerults that have an argillic or kandic horizon that:",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Consists entirely of lamellae; or",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Is a combination of two or more lamellae and one or more subhorizons with a thickness of 7.5 to 20 cm, each layer with an overlying eluvial horizon; or",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Consists of one or more subhorizons that are more than 20 cm thick, each with an overlying eluvial horizon, and above these horizons there are either:",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "a. Two or more lamellae with a combined thickness of 5 cm or more (that may or may not be part of the argillic or kandic horizon); or",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "b. A combination of lamellae (that may or may not be part of the argillic or kandic horizon) and one or more parts of the argillic or kandic horizon 7.5 to 20 cm thick, each with an overlying eluvial horizon.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Lamellic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBE",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "HEBF": [
    {
      "content": "HEBF. Other Haploxerults that have a sandy particle-size class throughout the upper 75 cm of the argillic or kandic horizon or throughout the entire horizon if it is less than 75 cm thick.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Psammentic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBG": [
    {
      "content": "HEBG. Other Haploxerults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic or kandic horizon at a depth of 50 to 100 cm.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Arenic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBH": [
    {
      "content": "HEBH. Other Haploxerults that have a texture class (fine- earth fraction) of coarse sand, sand, fine sand, loamy coarse sand, loamy sand, or loamy fine sand throughout a layer extending from the mineral soil surface to the top of an argillic or kandic horizon at a depth of 100 cm or more.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Grossarenic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEBI": [
    {
      "content": "HEBI. Other Haploxerults.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Haploxerults",
      "crit": "HEBI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEAA": [
    {
      "content": "HEAA. Palexerults that have both of the following:",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more subhorizons within the upper 25 cm of the argillic or kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage); and",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquandic Palexerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "HEAB": [
    {
      "content": "HEAB. Other Palexerults that have, in one or more subhorizons within the upper 25 cm of the argillic or kandic horizon, redox depletions with a color value, moist, of 4 or more and chroma of 2 or less, accompanied by both redox concentrations and aquic conditions for some time in normal years (or artificial drainage).",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aquic Palexerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEAC": [
    {
      "content": "HEAC. Other Palexerults that have, throughout one or more horizons with a total thickness of 18 cm or more within 75 cm of the mineral soil surface, a fine-earth fraction with both a bulk density of 1.0 g/cm3 or less, measured at 33 kPa water retention, and Al plus 1 /2 Fe percentages (by ammonium oxalate) totaling more than 1.0.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Andic Palexerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "HEAD": [
    {
      "content": "HEAD. Other Palexerults.",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Palexerults",
      "chapter": 15,
      "page": 342,
      "key": "Key to Subgroups",
      "taxa": "Palexerults",
      "crit": "HEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FA": [
    {
      "content": "FA. Vertisols that have, in one or more horizons within 50 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and one or both of the following:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In more than half of each pedon, either on faces of peds or in the matrix if peds are absent, 50 percent or more chroma of either:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. 2 or less if redox concentrations are present; or",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. 1 or less; or",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Aquerts, p. 343",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FA",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "FB": [
    {
      "content": "FB. Other Vertisols that have a cryic soil temperature regime.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Cryerts, p. 347",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FC": [
    {
      "content": "FC. Other Vertisols that in normal years have both:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A thermic, mesic, or frigid soil temperature regime; and",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated during the year, cracks that remain both:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 3,
      "logic": "AND"
    },
    {
      "content": "a. 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 60 or more consecutive days during the 90 days following the summer solstice; and",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 4,
      "logic": "AND"
    },
    {
      "content": "b. Closed for 60 or more consecutive days during the 90 days following the winter solstice.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 5,
      "logic": "END"
    },
    {
      "content": "Xererts, p. 353",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FC",
      "clause": 6,
      "logic": "NEW"
    }
  ],
  "FD": [
    {
      "content": "FD. Other Vertisols that, if not irrigated during the year, have cracks in normal years that remain closed for less than 60 consecutive days during a period when the soil temperature at a depth of 50 cm from the soil surface is higher than 8 o C.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Torrerts, p. 347",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FE": [
    {
      "content": "FE. Other Vertisols that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Usterts, p. 350",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FF": [
    {
      "content": "FF. Other Vertisols.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Uderts, p. 349",
      "chapter": 16,
      "page": 343,
      "key": "Key to Suborders",
      "taxa": "Vertisols",
      "crit": "FF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAA": [
    {
      "content": "FAA. Aquerts that have within 100 cm of the mineral soil surface either:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A sulfuric horizon; or",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Sulfidic materials.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Sulfaquerts, p. 347",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "FAB": [
    {
      "content": "FAB. Other Aquerts that have a salic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salaquerts, p. 346",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAC": [
    {
      "content": "FAC. Other Aquerts that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Duraquerts, p. 344",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAD": [
    {
      "content": "FAD. Other Aquerts that have a natric horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Natraquerts, p. 346",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAE": [
    {
      "content": "FAE. Other Aquerts that have a calcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calciaquerts, p. 344",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAF": [
    {
      "content": "FAF. Other Aquerts that have, throughout one or more horizons with a total thickness of 25 cm or more within 50 cm of the mineral soil surface, both:",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAF",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An electrical conductivity in the saturation extract of less than 4.0 dS/m at 25 o C; and",
      "chapter": 16,
      "page": 343,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAF",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A pH value of 4.5 or less in 0.01 M CaCl2 (5.0 or less in 1:1 water).",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Dystraquerts, p. 344",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAF",
      "clause": 5,
      "logic": "NEW"
    }
  ],
  "FAG": [
    {
      "content": "FAG. Other Aquerts that have episaturation.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Epiaquerts, p. 346",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAH": [
    {
      "content": "FAH. Other Aquerts.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Endoaquerts, p. 345",
      "chapter": 16,
      "page": 344,
      "key": "Key to Great Groups",
      "taxa": "Aquerts",
      "crit": "FAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAEA": [
    {
      "content": "FAEA. Calciaquerts that have, in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or the upper boundary of a duripan if shallower, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder and either:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 6 or more and chroma of 3 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 5 or less and chroma of 2 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 2 or more and no redox concentrations.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aeric Calciaquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEA",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FAEB": [
    {
      "content": "FAEB. Other Calciaquerts.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciaquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Calciaquerts",
      "crit": "FAEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FACA": [
    {
      "content": "FACA. Duraquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FACB": [
    {
      "content": "FACB. Other Duraquerts that have a thermic, mesic, or frigid soil temperature regime and that, if not irrigated during the year, have cracks in normal years that remain both:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 60 or more consecutive days during the 90 days following the summer solstice; and",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACB",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Closed for 60 or more consecutive days during the 90 days following the winter solstice.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FACC": [
    {
      "content": "FACC. Other Duraquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FACD": [
    {
      "content": "FACD. Other Duraquerts that have, in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and either a depth of 75 cm or the upper boundary of the duripan if shallower, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder and either:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 6 or more and chroma of 3 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 5 or less and chroma of 2 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 2 or more and no redox concentrations.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aeric Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FACE": [
    {
      "content": "FACE. Other Duraquerts that have, in one or more horizons within 30 cm of the mineral soil surface, one or both of the following in more than half of each pedon:",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACE",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Chromic Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FACF": [
    {
      "content": "FACF. Other Duraquerts.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Duraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Duraquerts",
      "crit": "FACF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFA": [
    {
      "content": "FAFA. Dystraquerts that have, in one or more horizons within 100 cm of the mineral soil surface, jarosite concentrations and a pH value of 4.0 or less (1:1 water, air-dried slowly in shade).",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfaqueptic Dystraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFB": [
    {
      "content": "FAFB. Other Dystraquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Dystraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFC": [
    {
      "content": "FAFC. Other Dystraquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Dystraquerts",
      "chapter": 16,
      "page": 344,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFD": [
    {
      "content": "FAFD. Other Dystraquerts that have, in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder and either:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 6 or more and chroma of 3 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 5 or less and chroma of 2 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 2 or more and no redox concentrations.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aeric Dystraquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFD",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FAFE": [
    {
      "content": "FAFE. Other Dystraquerts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Dystraquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFF": [
    {
      "content": "FAFF. Other Dystraquerts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Dystraquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAFG": [
    {
      "content": "FAFG. Other Dystraquerts that have, in one or more horizons within 30 cm of the mineral soil surface, one or both of the following in more than half of each pedon:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Chromic Dystraquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FAFH": [
    {
      "content": "FAFH. Other Dystraquerts.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystraquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Dystraquerts",
      "crit": "FAFH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHA": [
    {
      "content": "FAHA. Endoaquerts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHB": [
    {
      "content": "FAHB. Other Endoaquerts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHC": [
    {
      "content": "FAHC. Other Endoaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHD": [
    {
      "content": "FAHD. Other Endoaquerts that have a thermic, mesic, or frigid soil temperature regime and that, if not irrigated during the year, have cracks in normal years that remain both:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 60 or more consecutive days during the 90 days following the summer solstice; and",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Closed for 60 or more consecutive days during the 90 days following the winter solstice.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FAHE": [
    {
      "content": "FAHE. Other Endoaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHF": [
    {
      "content": "FAHF. Other Endoaquerts that have, in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder and either:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 6 or more and chroma of 3 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 5 or less and chroma of 2 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 2 or more and no redox concentrations.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aeric Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FAHG": [
    {
      "content": "FAHG. Other Endoaquerts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHH": [
    {
      "content": "FAHH. Other Endoaquerts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAHI": [
    {
      "content": "FAHI. Other Endoaquerts that have, in one or more horizons within 30 cm of the mineral soil surface, one or both of the following in more than half of each pedon:",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more.",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Chromic Endoaquerts",
      "chapter": 16,
      "page": 345,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FAHJ": [
    {
      "content": "FAHJ. Other Endoaquerts.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Endoaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Endoaquerts",
      "crit": "FAHJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGA": [
    {
      "content": "FAGA. Epiaquerts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGB": [
    {
      "content": "FAGB. Other Epiaquerts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGC": [
    {
      "content": "FAGC. Other Epiaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGD": [
    {
      "content": "FAGD. Other Epiaquerts that have a thermic, mesic, or frigid soil temperature regime and that, if not irrigated during the year, have cracks in normal years that remain both:",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGD",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 60 or more consecutive days during the 90 days following the summer solstice; and",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGD",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. Closed for 60 or more consecutive days during the 90 days following the winter solstice.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGD",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Xeric Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGD",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FAGE": [
    {
      "content": "FAGE. Other Epiaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGF": [
    {
      "content": "FAGF. Other Epiaquerts that have, in one or more horizons between either an Ap horizon or a depth of 25 cm from the mineral soil surface, whichever is deeper, and a depth of 75 cm, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Hue of 2.5Y or redder and either:",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 6 or more and chroma of 3 or more; or",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, moist, of 5 or less and chroma of 2 or more; or",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "2. Hue of 5Y and chroma of 3 or more; or",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 5,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 2 or more and no redox concentrations.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Aeric Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGF",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FAGG": [
    {
      "content": "FAGG. Other Epiaquerts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGH": [
    {
      "content": "FAGH. Other Epiaquerts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAGI": [
    {
      "content": "FAGI. Other Epiaquerts that have, in one or more horizons within 30 cm of the mineral soil surface, one or both of the following in more than half of each pedon:",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Chromic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FAGJ": [
    {
      "content": "FAGJ. Other Epiaquerts.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Epiaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Epiaquerts",
      "crit": "FAGJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FADA": [
    {
      "content": "FADA. All Natraquerts.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Natraquerts",
      "crit": "FADA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Natraquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Natraquerts",
      "crit": "FADA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FABA": [
    {
      "content": "FABA. Salaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Salaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FABB": [
    {
      "content": "FABB. Other Salaquerts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 90 or more cumulative days per year.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Ustic Salaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FABC": [
    {
      "content": "FABC. Other Salaquerts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Salaquerts",
      "chapter": 16,
      "page": 346,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FABD": [
    {
      "content": "FABD. Other Salaquerts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Salaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FABE": [
    {
      "content": "FABE. Other Salaquerts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Salaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FABF": [
    {
      "content": "FABF. Other Salaquerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Salaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Salaquerts",
      "crit": "FABF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAAA": [
    {
      "content": "FAAA. Sulfaquerts that have a salic horizon within 75 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salic Sulfaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAAB": [
    {
      "content": "FAAB. Other Sulfaquerts that do not have a sulfuric horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sulfic Sulfaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FAAC": [
    {
      "content": "FAAC. Other Sulfaquerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Sulfaquerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Sulfaquerts",
      "crit": "FAAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBA": [
    {
      "content": "FBA. Cryerts that have 10 kg/m2 or more organic carbon between the mineral soil surface and a depth of 50 cm.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Cryerts",
      "crit": "FBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Humicryerts, p. 347",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Cryerts",
      "crit": "FBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBB": [
    {
      "content": "FBB. Other Cryerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Cryerts",
      "crit": "FBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplocryerts, p. 347",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Cryerts",
      "crit": "FBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBBA": [
    {
      "content": "FBBA. Haplocryerts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplocryerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBBB": [
    {
      "content": "FBBB. Other Haplocryerts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBB",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBB",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Haplocryerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBB",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FBBC": [
    {
      "content": "FBBC. Other Haplocryerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplocryerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Haplocryerts",
      "crit": "FBBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBAA": [
    {
      "content": "FBAA. Humicryerts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Humicryerts",
      "crit": "FBAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Humicryerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Humicryerts",
      "crit": "FBAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FBAB": [
    {
      "content": "FBAB. Other Humicryerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Humicryerts",
      "crit": "FBAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Humicryerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Humicryerts",
      "crit": "FBAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDA": [
    {
      "content": "FDA. Torrerts that have a salic horizon within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salitorrerts, p. 348",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDB": [
    {
      "content": "FDB. Other Torrerts that have a gypsic horizon within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsitorrerts, p. 348",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDC": [
    {
      "content": "FDC. Other Torrerts that have a calcic or petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcitorrerts, p. 347",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDD": [
    {
      "content": "FDD. Other Torrerts.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplotorrerts, p. 348",
      "chapter": 16,
      "page": 347,
      "key": "Key to Great Groups",
      "taxa": "Torrerts",
      "crit": "FDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDCA": [
    {
      "content": "FDCA. Calcitorrerts that have a petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calcitorrerts",
      "chapter": 16,
      "page": 347,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDCB": [
    {
      "content": "FDCB. Other Calcitorrerts that have a densic, lithic, or paralithic contact or a duripan within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Calcitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDCC": [
    {
      "content": "FDCC. Other Calcitorrerts that have a layer, 25 cm or more thick within 100 cm of the soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Calcitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDCD": [
    {
      "content": "FDCD. Other Calcitorrerts that have, in one or more horizons within 30 cm of the soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Calcitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FDCE": [
    {
      "content": "FDCE. Other Calcitorrerts.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Calcitorrerts",
      "crit": "FDCE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDBA": [
    {
      "content": "FDBA. Gypsitorrerts that have, in one or more horizons within 30 cm of the soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBA",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBA",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Gypsitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBA",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FDBB": [
    {
      "content": "FDBB. Other Gypsitorrerts.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gypsitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Gypsitorrerts",
      "crit": "FDBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDDA": [
    {
      "content": "FDDA. Haplotorrerts that have, throughout a layer 15 cm or more thick within 100 cm of the soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDDB": [
    {
      "content": "FDDB. Other Haplotorrerts that have, in one or more horizons within 100 cm of the soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDDC": [
    {
      "content": "FDDC. Other Haplotorrerts that have a densic, lithic, or paralithic contact or a duripan within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDDD": [
    {
      "content": "FDDD. Other Haplotorrerts that have a layer, 25 cm or more thick within 100 cm of the soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDDE": [
    {
      "content": "FDDE. Other Haplotorrerts that have, in one or more horizons within 30 cm of the soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FDDF": [
    {
      "content": "FDDF. Other Haplotorrerts.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplotorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Haplotorrerts",
      "crit": "FDDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDAA": [
    {
      "content": "FDAA. Salitorrerts that have, in one or more horizons within 100 cm of the soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Salitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FDAB": [
    {
      "content": "FDAB. Other Salitorrerts that have a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon within 100 cm of the soil surface.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Salitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDAC": [
    {
      "content": "FDAC. Other Salitorrerts that have a layer, 25 cm or more thick within 100 cm of the soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Salitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FDAD": [
    {
      "content": "FDAD. Other Salitorrerts that have, in one or more horizons within 30 cm of the soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAD",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAD",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAD",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAD",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Salitorrerts",
      "chapter": 16,
      "page": 348,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAD",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FDAE": [
    {
      "content": "FDAE. Other Salitorrerts.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Salitorrerts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Salitorrerts",
      "crit": "FDAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFA": [
    {
      "content": "FFA. Uderts that have, throughout one or more horizons with a total thickness of 25 cm or more within 50 cm of the mineral soil surface, both:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An electrical conductivity in the saturation extract of less than 4.0 dS/m at 25 o C; and",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A pH value of 4.5 or less in 0.01 M CaCl2 (5.0 or less in saturated paste).",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystruderts, p. 349",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "FFB": [
    {
      "content": "FFB. Other Uderts.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Hapluderts, p. 349",
      "chapter": 16,
      "page": 349,
      "key": "Key to Great Groups",
      "taxa": "Uderts",
      "crit": "FFB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFAA": [
    {
      "content": "FFAA. Dystruderts that have, in one or more horizons within 100 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAA",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAA",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAA",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FFAB": [
    {
      "content": "FFAB. Other Dystruderts that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAB",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FFAC": [
    {
      "content": "FFAC. Other Dystruderts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFAD": [
    {
      "content": "FFAD. Other Dystruderts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFAE": [
    {
      "content": "FFAE. Other Dystruderts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAE",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAE",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAE",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FFAF": [
    {
      "content": "FFAF. Other Dystruderts.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystruderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Dystruderts",
      "crit": "FFAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFBA": [
    {
      "content": "FFBA. Hapluderts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFBB": [
    {
      "content": "FFBB. Other Hapluderts that have, in one or more horizons within 100 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FFBC": [
    {
      "content": "FFBC. Other Hapluderts that are saturated with water in one or more layers within 100 cm of the mineral soil surface in normal years for either or both:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBC",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. 20 or more consecutive days; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. 30 or more cumulative days.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Oxyaquic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FFBD": [
    {
      "content": "FFBD. Other Hapluderts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFBE": [
    {
      "content": "FFBE. Other Hapluderts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FFBF": [
    {
      "content": "FFBF. Other Hapluderts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBF",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FFBG": [
    {
      "content": "FFBG. Other Hapluderts.",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Hapluderts",
      "chapter": 16,
      "page": 349,
      "key": "Key to Subgroups",
      "taxa": "Hapluderts",
      "crit": "FFBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEA": [
    {
      "content": "FEA. Usterts that have, throughout one or more horizons with a total thickness of 25 cm or more within 50 cm of the mineral soil surface, both:",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEA",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. An electrical conductivity in the saturation extract of less than 4.0 dS/m at 25 o C; and",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEA",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. A pH value of 4.5 or less in 0.01 M CaCl2 (5.0 or less in saturated paste).",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEA",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Dystrusterts, p. 350",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEA",
      "clause": 4,
      "logic": "NEW"
    }
  ],
  "FEB": [
    {
      "content": "FEB. Other Usterts that have a salic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Salusterts, p. 352",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEC": [
    {
      "content": "FEC. Other Usterts that have a gypsic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsiusterts, p. 351",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FED": [
    {
      "content": "FED. Other Usterts that have a calcic or petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calciusterts, p. 350",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEE": [
    {
      "content": "FEE. Other Usterts.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplusterts, p. 351",
      "chapter": 16,
      "page": 350,
      "key": "Key to Great Groups",
      "taxa": "Usterts",
      "crit": "FEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDA": [
    {
      "content": "FEDA. Calciusterts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDB": [
    {
      "content": "FEDB. Other Calciusterts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDC": [
    {
      "content": "FEDC. Other Calciusterts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDD": [
    {
      "content": "FEDD. Other Calciusterts that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDE": [
    {
      "content": "FEDE. Other Calciusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDF": [
    {
      "content": "FEDF. Other Calciusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDG": [
    {
      "content": "FEDG. Other Calciusterts that have a densic, lithic, or paralithic contact or a duripan within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDH": [
    {
      "content": "FEDH. Other Calciusterts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEDI": [
    {
      "content": "FEDI. Other Calciusterts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDI",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDI",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FEDJ": [
    {
      "content": "FEDJ. Other Calciusterts.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calciusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Calciusterts",
      "crit": "FEDJ",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAA": [
    {
      "content": "FEAA. Dystrusterts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Dystrusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAB": [
    {
      "content": "FEAB. Other Dystrusterts that have, in one or more horizons within 100 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAB",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAB",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAB",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Dystrusterts",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAB",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FEAC": [
    {
      "content": "FEAC. Other Dystrusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 350,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAD": [
    {
      "content": "FEAD. Other Dystrusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAE": [
    {
      "content": "FEAE. Other Dystrusterts that have a densic, lithic, or paralithic contact or a duripan within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAF": [
    {
      "content": "FEAF. Other Dystrusterts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEAG": [
    {
      "content": "FEAG. Other Dystrusterts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FEAH": [
    {
      "content": "FEAH. Other Dystrusterts.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Dystrusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Dystrusterts",
      "crit": "FEAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECA": [
    {
      "content": "FECA. Gypsiusterts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECB": [
    {
      "content": "FECB. Other Gypsiusterts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECC": [
    {
      "content": "FECC. Other Gypsiusterts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECD": [
    {
      "content": "FECD. Other Gypsiusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECE": [
    {
      "content": "FECE. Other Gypsiusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECF": [
    {
      "content": "FECF. Other Gypsiusterts that have a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECG": [
    {
      "content": "FECG. Other Gypsiusterts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FECH": [
    {
      "content": "FECH. Other Gypsiusterts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECH",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECH",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECH",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECH",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECH",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FECI": [
    {
      "content": "FECI. Other Gypsiusterts.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECI",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Gypsiusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Gypsiusterts",
      "crit": "FECI",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEA": [
    {
      "content": "FEEA. Haplusterts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haplusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEB": [
    {
      "content": "FEEB. Other Haplusterts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Haplusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEC": [
    {
      "content": "FEEC. Other Haplusterts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haplusterts",
      "chapter": 16,
      "page": 351,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEED": [
    {
      "content": "FEED. Other Haplusterts that have a petrocalcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEED",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEED",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEE": [
    {
      "content": "FEEE. Other Haplusterts that have a gypsic horizon within 150 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Gypsic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEF": [
    {
      "content": "FEEF. Other Haplusterts that have a calcic horizon within 150 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEG": [
    {
      "content": "FEEG. Other Haplusterts that have both:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEG",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A densic, lithic, or paralithic contact within 100 cm of the mineral soil surface; and",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEG",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEG",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aridic Leptic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEG",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FEEH": [
    {
      "content": "FEEH. Other Haplusterts that have, if not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEI": [
    {
      "content": "FEEI. Other Haplusterts that have both:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEI",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A densic, lithic, or paralithic contact within 100 cm of the mineral soil surface; and",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEI",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEI",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Leptic Udic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEI",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FEEJ": [
    {
      "content": "FEEJ. Other Haplusterts that have both:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEJ",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. A layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction; and",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEJ",
      "clause": 2,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEJ",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Entic Udic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEJ",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FEEK": [
    {
      "content": "FEEK. Other Haplusterts that have both:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 1,
      "logic": "AND"
    },
    {
      "content": "1. In one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "a. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "b. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 4,
      "logic": "OR"
    },
    {
      "content": "c. Chroma of 3 or more; and",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 5,
      "logic": "AND"
    },
    {
      "content": "2. If not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 6,
      "logic": "END"
    },
    {
      "content": "Chromic Udic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEK",
      "clause": 7,
      "logic": "LAST"
    }
  ],
  "FEEL": [
    {
      "content": "FEEL. Other Haplusterts that have, if not irrigated during the year, cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 150 cumulative days per year.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEL",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEL",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEM": [
    {
      "content": "FEEM. Other Haplusterts that have a densic, lithic, or paralithic contact or a duripan within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEM",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEM",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEN": [
    {
      "content": "FEEN. Other Haplusterts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEN",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEN",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEEO": [
    {
      "content": "FEEO. Other Haplusterts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEO",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEO",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEO",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEO",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEO",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FEEP": [
    {
      "content": "FEEP. Other Haplusterts.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEP",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haplusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Haplusterts",
      "crit": "FEEP",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBA": [
    {
      "content": "FEBA. Salusterts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Salusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBB": [
    {
      "content": "FEBB. Other Salusterts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Salusterts",
      "chapter": 16,
      "page": 352,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBC": [
    {
      "content": "FEBC. Other Salusterts that have, in one or more horizons within 100 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FEBD": [
    {
      "content": "FEBD. Other Salusterts that, if not irrigated during the year, have cracks in normal years that are 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 210 or more cumulative days per year.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBE": [
    {
      "content": "FEBE. Other Salusterts that have a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBF": [
    {
      "content": "FEBF. Other Salusterts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FEBG": [
    {
      "content": "FEBG. Other Salusterts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FEBH": [
    {
      "content": "FEBH. Other Salusterts.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Salusterts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Salusterts",
      "crit": "FEBH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCA": [
    {
      "content": "FCA. Xererts that have a duripan within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Durixererts, p. 353",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCB": [
    {
      "content": "FCB. Other Xererts that have a calcic or petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Calcixererts, p. 353",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCC": [
    {
      "content": "FCC. Other Xererts.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haploxererts, p. 354",
      "chapter": 16,
      "page": 353,
      "key": "Key to Great Groups",
      "taxa": "Xererts",
      "crit": "FCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBA": [
    {
      "content": "FCBA. Calcixererts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBB": [
    {
      "content": "FCBB. Other Calcixererts that have a petrocalcic horizon within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Petrocalcic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBC": [
    {
      "content": "FCBC. Other Calcixererts that, if not irrigated during the year, have cracks in normal years that remain 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 180 or more consecutive days.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBD": [
    {
      "content": "FCBD. Other Calcixererts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBE": [
    {
      "content": "FCBE. Other Calcixererts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCBF": [
    {
      "content": "FCBF. Other Calcixererts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBF",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBF",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBF",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBF",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBF",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FCBG": [
    {
      "content": "FCBG. Other Calcixererts.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Calcixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Calcixererts",
      "crit": "FCBG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAA": [
    {
      "content": "FCAA. Durixererts that have, throughout a layer 15 cm or more thick above the duripan, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Durixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAB": [
    {
      "content": "FCAB. Other Durixererts that have, in one or more horizons above the duripan, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Durixererts",
      "chapter": 16,
      "page": 353,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAC": [
    {
      "content": "FCAC. Other Durixererts that have, in one or more horizons above the duripan, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAC",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAC",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAC",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAC",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FCAD": [
    {
      "content": "FCAD. Other Durixererts that, if not irrigated during the year, have cracks in normal years that remain 5 mm or more wide, through a thickness of 25 cm or more above the duripan, for 180 or more consecutive days.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAE": [
    {
      "content": "FCAE. Other Durixererts that, if not irrigated during the year, have cracks in normal years that remain 5 mm or more wide, through a thickness of 25 cm or more above the duripan, for less than 90 consecutive days.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAE",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAE",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAF": [
    {
      "content": "FCAF. Other Durixererts that have a duripan that is not indurated in any subhorizon.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Haplic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCAG": [
    {
      "content": "FCAG. Other Durixererts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAG",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAG",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAG",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAG",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAG",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FCAH": [
    {
      "content": "FCAH. Other Durixererts.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Durixererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Durixererts",
      "crit": "FCAH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCA": [
    {
      "content": "FCCA. Haploxererts that have a lithic contact within 50 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCA",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Lithic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCA",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCB": [
    {
      "content": "FCCB. Other Haploxererts that have, throughout a layer 15 cm or more thick within 100 cm of the mineral soil surface, an electrical conductivity of 15 dS/m or more (saturated paste) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCB",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Halic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCB",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCC": [
    {
      "content": "FCCC. Other Haploxererts that have, in one or more horizons within 100 cm of the mineral soil surface, an exchangeable sodium percentage of 15 or more (or a sodium adsorption ratio of 13 or more) for 6 or more months in normal years.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCC",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Sodic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCC",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCD": [
    {
      "content": "FCCD. Other Haploxererts that, if not irrigated during the year, have cracks in normal years that remain 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for 180 or more consecutive days.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCD",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Aridic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCD",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCE": [
    {
      "content": "FCCE. Other Haploxererts that have, in one or more horizons within 100 cm of the mineral soil surface, aquic conditions for some time in normal years (or artificial drainage) and either:",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCE",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. Redoximorphic features; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCE",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. Enough active ferrous iron to give a positive reaction to alpha,alpha-dipyridyl at a time when the soil is not being irrigated.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCE",
      "clause": 3,
      "logic": "END"
    },
    {
      "content": "Aquic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCE",
      "clause": 4,
      "logic": "LAST"
    }
  ],
  "FCCF": [
    {
      "content": "FCCF. Other Haploxererts that, if not irrigated during the year, have cracks in normal years that remain 5 mm or more wide, through a thickness of 25 cm or more within 50 cm of the mineral soil surface, for less than 90 consecutive days.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCF",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Udic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCF",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCG": [
    {
      "content": "FCCG. Other Haploxererts that have a densic, lithic, or paralithic contact within 100 cm of the mineral soil surface.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCG",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Leptic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCG",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCH": [
    {
      "content": "FCCH. Other Haploxererts that have a layer, 25 cm or more thick within 100 cm of the mineral soil surface, that contains less than 27 percent clay in its fine-earth fraction.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCH",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Entic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCH",
      "clause": 2,
      "logic": "LAST"
    }
  ],
  "FCCI": [
    {
      "content": "FCCI. Other Haploxererts that have, in one or more horizons within 30 cm of the mineral soil surface, 50 percent or more colors as follows:",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCI",
      "clause": 1,
      "logic": "OR"
    },
    {
      "content": "1. A color value, moist, of 4 or more; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCI",
      "clause": 2,
      "logic": "OR"
    },
    {
      "content": "2. A color value, dry, of 6 or more; or",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCI",
      "clause": 3,
      "logic": "OR"
    },
    {
      "content": "3. Chroma of 3 or more.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCI",
      "clause": 4,
      "logic": "END"
    },
    {
      "content": "Chromic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCI",
      "clause": 5,
      "logic": "LAST"
    }
  ],
  "FCCJ": [
    {
      "content": "FCCJ. Other Haploxererts.",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCJ",
      "clause": 1,
      "logic": "FIRST"
    },
    {
      "content": "Typic Haploxererts",
      "chapter": 16,
      "page": 354,
      "key": "Key to Subgroups",
      "taxa": "Haploxererts",
      "crit": "FCCJ",
      "clause": 2,
      "logic": "LAST"
    }
  ]
}
