Creator
- Geological Survey (U.S.)13
- Environmental Systems Research Institute (Redlands, Calif.)11
- Arndt, Raymond E.8
- Bawiec, Walter J.8
- Beikman, Helen M.8
- King, Philip B.8
- Schruben, Paul G.8
- National Atlas of the United States7
- United States. Department of Housing and Urban Development4
- Gap Analysis Program (U.S.)3
- 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
- United States Geological Survey1
- United States. Agricultural Research Service1
- United States. Bureau of Transportation Statistics1