USGS Feature Definition Vocabulary

This feature type vocabulary is based on feature definitions from the following standards:

The U.S. Geological Survey (USGS) Digital Line Graphs (http://nationalmap.gov/standard/dlgstds.html);
Geographic Names Information System of the U.S. Board of Geographic names (USBGN) (http://geonames.usgs.gov/domestic/index.html);
and Spatial Data Transfer Standard (STDS) (http://mcmcweb.er.usgs.gov/sdts/).