Publisher
- Geological Survey (U.S.)33
- California. Department of Water Resources24
- California. Department of Transportation5
- California. Office of Statewide Health Planning and Development5
- Fire and Resource Assessment Program (Calif.)5
- California. Department of Fish and Game. Marine Resources Region3
- Calaveras County GIS2
- California. Air Resources Board2
- Gap Analysis Program (U.S.)2
- Bay Area Open Space Council1
- Sacramento County GIS1