as.location             Convert a path or URL to a location object.
canada_cities           This is the same data set from the maps
                        library, named differently
geojson_hint            Validate GeoJSON using geojsonhint Javascript
                        library
geojson_lint            Validate GeoJSON using geojsonlint.com web
                        service
geojson_validate        Validate GeoJSON using is-my-json-valid
                        Javascript library
geojsonlint-package     *GeoJSON Linting*
gj_write                Write inputs to a geojson file
states                  This is the same data set from the ggplot2
                        library
us_cities               This is the same data set from the maps
                        library, named differently
