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1. United States 112th Congressional Districts, 2012

2011. U.S. Census Bureau, Geography Division and Environmental Systems Research Institute (Redlands, Calif.). United States 112th Congressional Districts is a polygon theme representing the political boundaries for the U.S. 112th congressional districts. Th... Esri.

2. United States Census Tracts, 2012

2011. TomTom North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). United States Census Tracts is a polygon theme representing the U.S. Census tracts of the United States in the 50 states, the District of Columbia,... Esri.

3. United States County Boundaries, 2012

2011. TomTom North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). United States County Boundaries is a line theme representing the boundary lines of the counties of the United States. Esri.

4. United States State Boundaries, 2012

2011. TomTom North America, Inc. and Economic and Social Research Institute (Reston, Va.). United States State Boundaries is a line theme representing the boundary lines of the states of the United States. Esri.

5. United States Telephone Area Code Boundaries, 2012

2011. TomTom North America, Inc. and Environmental Systems Research Institute (Redlands, Calif.). United States Telephone Area Code Boundaries is a polygon theme representing the telephone area codes for the United States. They are also known a... Esri.