- United States. Department of State. Office of the Geographer2
- Alameda County Registrar of Voters 1
- Amador County (Calif.)1
- Amador County Information Technology Department, GIS Division1
- CAL FIRE1
- City of Oakland1
- Department of Elections, Francisco County, California. 1
- Environmental Systems Research Institute (Redlands, Calif.)1
- Geographic Information Systems, Sonoma County (Calif.)., California1
- Geographic Information Systems, Sonoma County, California1
- Geographic Infromation Systems, Sonoma County ( Calif.)., California 1
- Geographical Information Systems 1
- Jasper Ridge Biological Preserve (Agency)1
- Napa County Geographic Information Systems 1
- National Atlas of the United States1
- Nature Conservancy (U.S.)1
- Solano County1
- Tehama County Public Works1
- U.S. Census Bureau. Geography Division1
- von Dohlen, Jerry1
