Natural_features_usgs_in is a point shapefile showing the locations and attribute values of natural features extracted from the Geographic Names Information System (GNIS) developed by the USGS. Features include the following: prairie, basin cliff, flat, bottom, gap, rock, hills, ridges, hollows. The dataset contains natural features named on USGS 1:24000 quadrangles and other source map data. Consider using this file along with files for lake shore features, stream features, and swamp points.