Creator
- Sacramento Area Council of Governments1
- San Joaquin County (Calif.). Community Development Department1
- San Joaquin County, Community Development, Graphic Information Systems1
- San Mateo County1
- Santa Clara County (Calif.)1
- Santa Cruz County (Calif.) -- Assessor's Office1
- Santa Cruz County (Calif.) -- Department of Information Services1
- Shasta County Resource Management Dept.1
- U.S. Bureau of Reclamation, Mid-Pacific Region, MPGIS Service Center1
- Various sources1
- Yolo County, Public Works Division, Planning Services 1