Collection place
- Marin County, California3 objects
- Napa County, California3 objects
- Rodeo, Contra Costa County, California3 objects
- Unincorporated western Contra Costa County, California3 objects
- Bethel Island, Contra Costa County, California2 objects
- CA-Ala-328 (Patterson Mound), Coyote Hills, Fremont2 objects
- CA-Ala-329 (Ryan Mound), Coyote Hills, Fremont2 objects
- CA-CCo-20, Bethel Island, Contra Costa County2 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County2 objects
- CA-SJo-92, Taft Mosswood, San Joaquin County2 objects
- CA-Sac-112 or 113 (Calquhoun Mound), Sacramento County, California2 objects
- CA-Sac-126 (Booth Mound), Sacramento County, California2 objects
- Middle Napa Valley, Napa County, California2 objects
- Napa Valley, Napa County, California2 objects
- Oakville area, Napa Valley, Napa County2 objects
- Point Reyes, Marin County, California2 objects
- Richmond, Contra Costa County, California2 objects
- San Joaquin River Delta, Contra Costa County, California2 objects
- Solano County, California2 objects
- Stockton, San Joaquin County, California2 objects