Creator
- World Wildlife Fund (WWF)28
- United States. Bureau of the Census. Geography Division22
- Bay Area Open Space Council21
- Conservation Lands Network21
- GreenInfo Network (Firm)21
- San Francisco Bay Area Upland Habitat Goals Project21
- World Wildlife Fund14
- Garcia, Paul10
- Price, Matt10
- von Dohlen, Jerry8
- Geological Survey (U.S.)6
- National Atlas of the United States4
- Santa Clara Valley Water District (Calif.)4
- Sacramento County GIS3
- California. Biogeographic Data Branch2
- California. Fisheries Programs Branch2
- Canada Centre for Remote Sensing2
- Environmental Systems Research Institute (Redlands, Calif.)2
- Instituto Nacional de Estadística, Geografía e Informática (Mexico)2
- United States. Bureau of Transportation Statistics2