Creator
- United States. Department of Housing and Urban Development15
- Alameda County Registrar of Voters 5
- Environmental Systems Research Institute (Redlands, Calif.)3
- Mono County (Calif.) -- Information Technology3
- Department of Conservation & Development, Contra Costa County2
- Geological Survey (U.S.)2
- California. Department of Fish and Game. Marine Resources Region1
- City of Oakland, City Administration1
- County of San Mateo Information Services Department1
- EDAW Inc1
- Geographic Information Systems, Sonoma County, California 1
- Green Info Network1
- Kern County (Calif.) -- Engineering, Surveying and Permit Services 1
- Land Trust of Napa County1
- MarinMap1
- Shasta County (Calif.)1
- U.S. Census Bureau. Geography Division1
- United States. Bureau of Transportation Statistics1
- United States. Bureau of the Census. Geography Division1