Creator
- Environmental Systems Research Institute (Redlands, Calif.)11
- Geological Survey (U.S.)9
- National Atlas of the United States6
- United States. Department of Housing and Urban Development4
- Gap Analysis Program (U.S.)3
- United States. Bureau of Transportation Statistics2
- EROS Data Center1
- International Association of Seismology and Physics of the Earth's Interior1
- International Heat Flow Commission1
- National Energy Information Center (U.S.)1
- Oklahoma State University. Department of Geography. Cartography Service1
- Rawson, Peg1
- Stackhouse, Cecil1
- United States Geological Survey1