Creator
- National Atlas of the United States7
- Geological Survey (U.S.)4
- Applied Science Associates1
- Canada Centre for Mapping1
- Coastal Services Center (U.S.)1
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)1
- U.S. Fish and Wildlife Service1
- United States. Agricultural Research Service1
- United States. Forest Service1
- United States. National Ocean Service1
- United States. National Oceanic and Atmospheric Administration1