Creator
- Angel, Shlomo239
- Blei, Alejandro M239
- Civco, Daniel L.239
- Parent, Jason239
- International Association of Seismology and Physics of the Earth's Interior70
- International Heat Flow Commission70
- Oklahoma State University. Department of Geography. Cartography Service70
- California Geological Survey22
- California. Department of Conservation14
- Geological Survey (U.S.)14
- Marshall, Gerald14
- Mendes, Eric14
- Environmental Systems Research Institute (Redlands, Calif.)12
- Navarro, Fernando10
- Powell, Susan10
- National Atlas of the United States8
- Instituto Brasileiro de Geografia e EstatÃstica6
- Nature Conservancy (U.S.)6
- Fire and Resource Assessment Program (Calif.)4
- NASA Langley Atmospheric Sciences Data Center4