2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States administrative county boundaries extracted from the U.S. Census Bureau's MAF/TIGER Database (MTDB). T... United States. Bureau of Transportation Statistics.
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2013. Rawson, Peg and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States congressional district boundaries for 2013-2015. Congressional Districts are the 435 areas from which... United States. Bureau of Transportation Statistics.
2014. United States. Bureau of Transportation Statistics. This polygon shapefile contains United States county boundaries with political limits extracted from the U.S. Census Bureau's MAF/TIGER Database (M... United States. Bureau of Transportation Statistics.
2013. Strocko, Ed and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States freight analysis framework (FAF) regions. FAF domestic region level datasets and products provide inf... United States. Bureau of Transportation Statistics.
2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile depicts hydrography coverages that were created using TIGER/Line 2000 shapefile data gathered from ESRI's Geography Network.... United States. Bureau of Transportation Statistics.
2011. United States. Office of the Deputy Under Secretary of Defense (Installations and Environment) and United States. Bureau of Transportation Statistics. This polygon shapefile depicts sites that were selected from the 2010 Base Structure Report (BSR), a summary of the DoD Real Property Inventory (RP... 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 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. 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. 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.).