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1. Canada Cities, 2008

2007. Tele Atlas (Firm : U.S.) and Economic and Social Research Institute. Canada Cities is a point theme representing cities of Canada including national, state, and provincial capitals. ESRI.

2. National Populated Places 2000

2008. U.S. Geological Survey. National Populated Places 2000 is a point theme representing cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities we... U.S. Geological Survey.

3. North America Electric Transmission Lines, 2009

2009. Platts (Firm). Electric Transmission Lines is a polyline theme representing electric power lines of transmission and sub-transmission voltages covering North Amer... Platts.

4. Unied States Railroad Crossings, 2013

2013. United States. Bureau of Transportation Statistics. FRA Grade Crossings is a spatial file that originates from the National Highway-Rail Crossing, Inventory Program. The program is to provide informa...

5. United States Railroads, 2008

2008. International Steering Committee for Global Mapping (ISCGM). United States Railroads is a line theme representing railroads in United States . This layer is a component of the Global Map, a 1:1,000,000 sc...

6. United States 109th Congressional Districts, 2008

2008. ESRI. United States 109th Congressional Districts represents the political boundaries for the U.S. 109th Congressional Districts. The membership is curre... ESRI.

7. United States 110th Congressional Districts, 2008

2008. ESRI. United States 110th Congressional Districts represents the political boundaries for the U.S. 110th Congressional Districts. The membership is curre... ESRI.

8. United States 111th Congressional District

2009. U.S. Census Bureau, Geography Division and Environmental Systems Research Institute (Redlands, Calif.). United States 111th Congressional Districts represents the political boundaries for the U.S. 111th congressional districts. The membership is curre... Esri.

9. United States 111th Congressional Districts, 2010

2009. Environmental Systems Research Institute (Redlands, Calif.). United States 111th Congressional Districts represents the political boundaries for the U.S. 111th congressional districts. The membership is curre... ESRI.

10. 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.