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1. 1:1,000,000-Scale National Boundaries of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extract... Geological Survey (U.S.).

2. Hydrography, North America, 2004

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 coastline, and other hydrographic features in North America. This data set was produced using digital files s... Geological Survey (U.S.).

3. Mapping Interstate Territorial Conflict, 1947-2000

1947. Schultz, Kenneth A. This polygon shapefile represents areas that were the subject of interstate territorial disputes between 1947 and 2000. The disputed areas referenc... Stanford Digital Repository.

4. North America (Electric Holding Company Service Territories, Dec. 2008)

Platts. The Platts Electric Holding Company Service Territories geospatial data layer contains regions representing the geographic extent of retail service... Platts.

5. North America (Electric Investor Owned Utility Service Territories, Dec. 2008)

Platts. The Platts Electric Investor Owned Utility (IOU) Service Territories geospatial data layer contains regions representing the geographic extent of r... Platts.

6. North America (Electric Market Areas, Dec. 2008)

Platts. The Platts Electric Market Areas geospatial data layer contains regions representing the geographic extent of electric price clearing markets. If ... Platts.

7. North America (Electric Market Areas, 2008)

Platts. The Platts Electric Market Areas geospatial data layer contains regions representing the geographic extent of electric price clearing markets. If ... Platts.

8. North America (Electric Planning Areas, Dec. 2008)

Platts. The Platts Electric Planning Areas geospatial data layer contains regions representing the geographic extent of utility planning areas, derived fro... Platts.

9. North America (Electric Transmission Areas, 2008)

Platts. The Platts Electric Transmission Areas geospatial data layer contains regions representing the geographic extent of adjacent market areas whose flo... Platts.

10. North America (Electric Transmission Areas, Dec. 2008)

Platts. The Platts Electric Transmission Areas geospatial data layer contains regions representing the geographic extent of adjacent market areas whose flo... Platts.

11. North America (Natural Gas Holding Company Service Territories, 2008)

Platts. The Platts Natural Gas Holding Company Service Territories geospatial data layer contains regions representing the geographic extent of retail serv... Platts.

12. North America (Natural Gas Utility Service Territories, 2008)

Platts. The Platts Natural Gas Utility Service Territories geospatial data layer contains regions representing the geographic extent of retail service prov... Platts.

13. North America (Natural Gas Utility Service Territories, Dec. 2008)

Platts. The Platts Natural Gas Utility Service Territories geospatial data layer contains regions representing the geographic extent of retail service prov... Platts.

14. North America ((NERC) North American Electric Reliability Council Regions, 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Regions geospatial data layer contains regions representing the geographic extent of ... Platts.

15. North America ((NERC) North American Electric Reliability Council Regions, Aug. 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Regions geospatial data layer contains regions representing the geographic extent of ... Platts.

16. North America ((NERC) North American Electric Reliability Council Regions, Dec. 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Regions geospatial data layer contains regions representing the geographic extent of ... Platts.

17. North America ((NERC) North American Electric Reliability Council Sub-Regions, 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Sub-Regions geospatial data layer contains regions representing the geographic extent... Platts.

18. North America ((NERC) North American Electric Reliability Council Sub-Regions, Aug. 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Sub-Regions geospatial data layer contains regions representing the geographic extent... Platts.

19. North America ((NERC) North American Electric Reliability Council Sub-Regions, Dec. 2008)

Platts. The Platts North American Electric Reliability Council (NERC) Sub-Regions geospatial data layer contains regions representing the geographic extent... Platts.

20. North America (Non-Regulated Natural Gas Service Provider Territories, 2008)

Platts. The Platts Non-Regulated Natural Gas Service Provider Territories contains regions representing the geographic extent of retail service offered by ... Platts.