check_data_exist        check whether the requested data exist on
                        Natural Earth
check_rnaturalearthdata
                        Check whether to install rnaturalearthdata and
                        install if necessary
check_rnaturalearthhires
                        Check whether to install rnaturalearthhires and
                        install if necessary
check_scale             check that this scale is present in Natural
                        Earth
convert_spatial_class   Convert from/to sf/sv objects
countries               world country polygons from Natural Earth
df_layers_cultural      list of cultural layers available from Natural
                        Earth
df_layers_physical      list of physical layers available from Natural
                        Earth
get_data                Get data from within the package
install_rnaturalearthdata
                        Install the naturalearthdata package after
                        checking with the user
install_rnaturalearthhires
                        Install the naturalearthhires package after
                        checking with the user
layer_name              Generate the layer name for a Natural Earth
                        dataset
make_dest_path          Create Destination File Path
ne_coastline            Get natural earth world coastline
ne_countries            Get natural earth world country polygons
ne_download             Download data from Natural Earth and
                        (optionally) read into R
ne_file_name            return a natural earth filename based on
                        arguments
ne_find_vector_data     Return a dataframe of available vector layers
                        on Natural Earth
ne_load                 load a Natural Earth vector that has already
                        been downloaded to R using 'ne_download'
ne_states               Get natural earth world state (admin level 1)
                        polygons
normalize_type          Normalize the type argument for Natural Earth
                        datasets
read_spatial_vector     Read Spatial Vector
sanitize_gdal_url       Extracts the http URL from a VSIZIP URL
