Creator
- Santa Cruz County (Calif.) -- Assessor's Office1
- Santa Cruz County (Calif.) -- Local Agency Formation Commission1
- Shasta County (Calif.)1
- Shasta County Assessor Department1
- Solano County GIS1
- Solano County Resource Management Department1
- Stanislaus County (Calif.). Planning Department1
- Stanislaus LAFCO1
- US Census Bureau1
- US Census Bureau 1
- USGS1
- Vestra Resources Inc.1