- National Atlas of the United States8
- National Geophysical and Solar-Terrestrial Data Center7
- Nature Conservancy (U.S.)6
- Fire and Resource Assessment Program (Calif.)5
- California. Division of Mines and Geology3
- Monterey County (Calif.)3
- NASA Langley Atmospheric Sciences Data Center3
- Rosenberg, Lewis I.3
- Anderson, Robert M.2
- Armstrong, Andrew2
- Bienhoff, Paul2
- California. Dept. of Conservation.2
- Camerlenghi, A. (Angelo)2
- Church, Ian2
- Coakley, Bernard2
- Daniela Accettella2
- Dowdeswel, Julian A.2
- Edwards, Margo2
- Forbes, Steve2
- Fridman, Boris, 1956-2