Publisher
- National Atlas of the United States87
- Geological Survey (U.S.)33
- Gap Analysis Program (U.S.)3
- Canada Centre for Mapping1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- National Geospatial Program, The National Map Small Scale1
- National Renewable Energy Laboratory (U.S.)1
- U.S. Census Bureau. Geography Division1
- United States. Bureau of Ocean Energy Management1
- United States. Bureau of Transportation Statistics1