Creator
- National Atlas of the United States4
- County of San Mateo Information Services Department3
- California. Department of Fish and Game. Marine Resources Region2
- Geological Survey (U.S.)2
- Stackhouse, Cecil2
- United States. Bureau of Transportation Statistics2
- California Department of Forestry and Fire Protection (CDF) (using data from BOR and DOC FMMP)1
- Department of Conservation (DOC) Farmland Mapping and Monitoring Program (FMMP)1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Nature Conservancy (U.S.)1
- Schultz, Kenneth A.1
- Tehama County Public Works1
- United States. Department of Housing and Urban Development1