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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. Hydrographic Lines, North America, 2004
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This line shapefile shows the coastline, linear hydrographic features, and area hydrographic features in North America. This data set was produced ... Geological Survey (U.S.).
3. 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.).
4. Land-Based Border Crossings: Canada, Mexico and United States, 2011
2011. United States. Bureau of Transportation Statistics, Beningo, Steve, United States. Bureau of Customs and Border Protection, and Liu, Zhi. This point shapefile depicts points of entry for land modes along the United States - Canada border and the United States - Mexico border. The port... United States. Bureau of Transportation Statistics.
5. Magnetic Field - Declination Component for the Epoch 2010.0
2010. National Geophysical Data Center. This map layer shows isogonic lines (lines of constant declination of the Earth's magnetic field), derived from the International Geomagnetic Refer... National Atlas of the United States.
6. Magnetic Field - Horizontal Component of the Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal horizontal intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference F... National Atlas of the United States.
7. Magnetic Field - Inclination Component for the Epoch 2010.0
2010. National Geophysical Data Center. This shapefile shows isoclinic lines (lines of constant inclination of the Earth's magnetic field), derived from the International Geomagnetic Refe... National Atlas of the United States.
8. Magnetic Field - Secular Variation of the Declination Component for the Epoch 2010.0
2010. National Geophysical Data Center. This map layer shows isoporic lines (lines of equal annual change, or secular variation, in the declination of the Earth's magnetic field), derived... National Atlas of the United States.
9. Magnetic Field - Secular Variation of the Horizontal Component of the Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation) in the horizontal component of the total field intensity of the Earth's ... National Atlas of the United States.
10. Magnetic Field - Secular Variation of the Inclination Component for the Epoch 2010.0
2010. National Geophysical Data Center. This shapefile shows lines of equal annual change (secular variation) in the inclination of the Earth's magnetic field, derived from the Internatio... National Atlas of the United States.
11. Magnetic Field - Secular Variation of the Total Field Component for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation), in the total field intensity of the Earth's magnetic field, derived fro... National Atlas of the United States.
12. Magnetic Field - Secular Variation of the Vertical Component of the Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation) in the vertical component of the total field intensity of the Earth's ma... National Atlas of the United States.
13. Magnetic Field - Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This shapefile contains isodynamic lines (lines of equal total intensity of the Earth's magnetic field), derived from the International Geomagnetic... National Atlas of the United States.
14. Magnetic Field - Vertical Component of the Total Field Intensity for the Epoch 2010.0
2010. National Geophysical Data Center. This line shapefile shows lines of equal vertical intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference Fie... National Atlas of the United States.
15. 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.
16. North America (Electric Control Area Points, Dec. 2008)
Platts. The Control Area Points layer contains a schematic point representation of interconnected control areas. The point locations are for presentation o... Platts.
17. 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.
18. 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.
19. North America (Electric Market Area Interconnections, Dec. 2008)
Platts. Schematic representation of interconnections among BaseCase market areas. See Quarterly Update for details. . Platts.
20. North America (Electric Market Area Points, Dec. 2008)
Platts. Points representing BaseCase market areas. Platts.
21. 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.
22. 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.
23. 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.
24. North America (Electric Substations, 2008)
Platts. The Platts Electric Substation geospatial data layer contains point features representing electric transmission, sub-transmission, and some distrib... Platts.
25. North America (Electric Substations, Aug. 2008)
Platts. The Platts Electric Substation geospatial data layer contains point features representing electric transmission, sub-transmission, and some distrib... Platts.
26. North America (Electric Substations, Dec. 2008)
Platts. The Platts Electric Substation geospatial data layer contains point features representing electric transmission, sub-transmission, and some distrib... Platts.
27. North America (Electric Transmission Area Points, Dec. 2008)
Platts. Points representing BaseCase transmission areas. Platts.
28. 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.
29. 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.
30. 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.
31. North America (Electric Transmission Lines, Aug. 2008)
Platts. The Platts Transmission Lines geospatial data layer contains electric power lines of transmission and sub-transmission voltages covering North Amer... Platts.
32. North America (Electric Transmission Lines, Dec. 2008)
Platts. The Platts Transmission Lines geospatial data layer contains electric power lines of transmission and sub-transmission voltages covering North Amer... Platts.
33. North America (ISO Nodal Pricing Points, Dec. 2008)
Platts. The Platts ISO Nodal Pricing Points geospatial data layer contains point features representing the North American nodal pricing locations. Platts.
34. North America ((LNG) Liquefied Natural Gas Import Terminals, 2008)
Platts. The Platts Liquefied Natural Gas (LNG) Import Terminals geospatial data layer contains point features representing locations in and around the Unit... Platts.
35. North America (Megawatt Daily Pricing Points, Aug. 2008)
Platts. The approximate location of all pricing points listed in Platts' Megawatt Daily publication. . Platts.
36. North America (Megawatt Daily Pricing Points, Dec. 2008)
Platts. The approximate location of all pricing points listed in Platts' Megawatt Daily publication. Platts.
37. North America (Megawatt Daily Pricing Points, Mar. 2008)
Platts. The approximate location of all pricing points listed in Platts' Megawatt Daily publication. . Platts.
38. 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.
39. North America (Natural Gas Pipelines, 2008)
Platts. The Platts Natural Gas Pipelines geospatial data layer contains interstate and intrastate gas pipelines throughout North America. These pipelines ... Platts.
40. North America (Natural Gas Pipelines, Aug. 2008)
Platts. The Platts Natural Gas Pipelines geospatial data layer contains interstate and intrastate gas pipelines throughout North America. These pipelines ... Platts.
41. North America (Natural Gas Pipelines, Dec. 2008)
Platts. The Platts Natural Gas Pipelines geospatial data layer contains interstate and intrastate gas pipelines throughout North America. These pipelines ... Platts.
42. North America (Natural Gas Receipt and Delivery Points, 2008)
Platts. The Platts Natural Gas Receipt/Delivery Points geospatial data layer contains points that represent locations on interstate natural gas pipelines w... Platts.
43. 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.
44. 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.
45. 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.
46. 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.
47. 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.
48. 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.
49. 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.
50. 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.