Publisher
- Environmental Systems Research Institute (Redlands, Calif.)12
- National Atlas of the United States11
- Geological Survey (U.S.)10
- United States. Department of Housing and Urban Development4
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)3
- Canada Centre for Mapping2
- California. Department of Fish and Game. Marine Resources Region1
- International Heat Flow Commission1
- National Energy Information Center (U.S.)1
- United States. Bureau of Transportation Statistics1