- California Geological Survey20
- International Association of Seismology and Physics of the Earth's Interior18
- International Heat Flow Commission18
- Marshall, Gerald18
- Mendes, Eric18
- Oklahoma State University. Department of Geography. Cartography Service18
- California. Department of Conservation16
- Navarro, Fernando5
- Powell, Susan5
- Rosenberg, Lewis I.4
- California. Dept. of Conservation.2
- Fire and Resource Assessment Program (Calif.)2
- Monterey County (Calif.)2
- Bethe, Anne-Laure1
- Blackburn, Laura1
- Faucherre, Nicolas, 1957-1
- Geological Survey (U.S.)1
- Gherdevich, Davide1
- Hopkins Marine Station1
- Instituto Brasileiro de Geografia e EstatÃstica1
