Creator
- United States. Bureau of the Census. Geography Division22
- World Wildlife Fund14
- World Wildlife Fund (WWF)14
- Bay Area Open Space Council12
- Conservation Lands Network12
- GreenInfo Network (Firm)12
- San Francisco Bay Area Upland Habitat Goals Project12
- Kelso, Nathaniel Vaughn8
- Patterson, Tom8
- California Geological Survey5
- Jasper Ridge Biological Preserve (Agency)5
- Rumsey, David, 1944-5
- Sacramento County GIS5
- Santa Clara Valley Water District (Calif.)5
- Geological Survey (U.S.)4
- United States. Bureau of Transportation Statistics4
- California. Metropolitan Transportation Commission3
- National Atlas of the United States3
- Calaveras County GIS2
- Canada Centre for Remote Sensing2