Creator
- Gap Analysis Program (U.S.)60
- Golden, Nadine E.45
- Pacific Coastal and Marine Science Center44
- Johnson, Samuel Y.27
- Hartwell, Stephen R.25
- Manson, Michael W.25
- Greene, H. G.19
- California. Department of Water Resources18
- Centre de recherche géographique et de production cartographique (Brazzaville, Congo)18
- Bay Area Open Space Council16
- Conservation Lands Network16
- GreenInfo Network (Firm)16
- Moss Landing Marine Laboratories16
- San Francisco Bay Area Upland Habitat Goals Project16
- United States. Department of Housing and Urban Development16
- International Association of Seismology and Physics of the Earth's Interior14
- International Heat Flow Commission14
- Oklahoma State University. Department of Geography. Cartography Service14
- Watt, Janet T.14
- Endris, Charles A.10