Creator
- Environmental Systems Research Institute (Redlands, Calif.)11
- Geological Survey (U.S.)10
- United States. Department of Housing and Urban Development5
- National Atlas of the United States4
- Gap Analysis Program (U.S.)3
- International Association of Seismology and Physics of the Earth's Interior1
- International Heat Flow Commission1
- Maples, Stace D.1
- National Energy Information Center (U.S.)1
- Oklahoma State University. Department of Geography. Cartography Service1
- United States Geological Survey1
- United States. Bureau of Transportation Statistics1