Search Results
2003. Geological Survey (U.S.). This point shapefile represents locations of agricultural minerals operations in the United States. The data represent commodities covered by the M... National Atlas of the United States.
2012. Geological Survey (U.S.). This point shapefile includes airports in the United States, Puerto Rico and the U.S. Virgin Islands. The data were derived from an extract of the ... Geological Survey (U.S.).
2016. Geological Survey (U.S.) and County of San Mateo Information Services Department. This polygon shapefile represents present-day flood risk without sea level rise, also described as the one percent annual chance flood at mean high... County of San Mateo Information Services Department.
2002. California. Department of Fish and Game. Marine Resources Region and Geological Survey (U.S.). This point shapefile contains data from the U.S. Geological Survey's Geographic Names Information System (GNIS) about coastal bays and harbor sites... California. Department of Fish and Game. Marine Resources Region.
2000. California. Department of Fish and Game. Marine Resources Region and Geological Survey (U.S.). This point shapefile contains information on names, locations, and types of geographic features in California. The layer source is a custom state e... California. Department of Fish and Game. Marine Resources Region.
1982, 1983, 1984, 1985, 1986, 1987, 1988, and 1989. Geological Survey (U.S.). This polygon shapefile contains sediment grain size distributions for the east coast continental margin of the United States Atlantic coast, Sedime... Coastal and Marine Geology Program (Geological Survey). Woods Hole Field Center.
1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, and 1990. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
2000. Geological Survey (U.S.). This polygon shapefile portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows areas of permanent ice found on the North America landmass including Greenland, and also shows areas of land found wit... Geological Survey (U.S.).