Search Results
1978. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
2010. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This polygon shapefile contains bathymetric data with depth in metres for ocean areas covered by the extent of the North American Atlas project. Is... Canada Centre for Mapping, Instituto Nacional de Estadística, Geografía e Informática (Mexico), and Geological Survey (U.S.).
2003. Geological Survey (U.S.). Water Resources Division. Wisconsin District. This polygon shapefile contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islan... Geological Survey (U.S.).
2012. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile depicts state boundaries extending into the ocean with detailed shorelines, including all 50 states plus Puerto Rico, Washin... United States. Bureau of Transportation Statistics.
2012. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile depicts state boundaries with politicial limit extending into the ocean with detailed shorelines, including all 50 states pl... United States. Bureau of Transportation Statistics.
2010, 2011, 2012, and 2013. U.S. Census Bureau. Geography Division and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tracts... Environmental Systems Research Institute (Redlands, Calif.).
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents the federal and Indian-owned land areas (for example, Bureau of Indian Affairs, Department of Defense, and Tennes... Environmental Systems Research Institute (Redlands, Calif.).
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents the Public Land Surveys (for example, donation lands, land grants, and public and private surveys of public lands... Environmental Systems Research Institute (Redlands, Calif.).
2013. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile contains areas of urban land extracted from the United States Census Bureau's MAF/TIGER Database (MTDB). The MTDB represents... United States. Bureau of Transportation Statistics.