term,name,definition,category,provenance,provenance_uri,note pavement,Pavement,"A surface site where the land surface is covered by a relatively impermeable material, such as concrete or asphalt. Pavement sites are typically part of transportation infrastructure, such as roadways, parking lots, or runways.",Land Sites,Adapted from USGS Site Types.,,http://wdr.water.usgs.gov/nwisgmap/help/sitetype.html