Collection place
- California3,542 objects
- North America3,542 objects
- The Americas3,542 objects
- United States3,542 objects
- San Francisco Bay Area, California3,456 objects
- Contra Costa County, California2,342 objects
- CA-CCo-138, Oakley, Contra Costa County2,120 objects
- Oakley, Contra Costa County, California2,120 objects
- Napa County, California660 objects
- Napa Valley, Napa County, California660 objects
- Lower Napa Valley, Napa County, California638 objects
- Solano County, California368 objects
- CA-Sol-2, Solano County, California355 objects
- Lindsey Slough, Solano County, California355 objects
- CA-Nap-16, Napa Valley, Napa County272 objects
- CA-Nap-14 (Las Trancas site), Napa Valley, Napa County258 objects
- Unincorporated western Contra Costa County, California166 objects
- CA-CCo-151, El Sobrante, Contra Costa County162 objects
- El Sobrante, Contra Costa County, California162 objects
- CA-Nap-39 (Tulukai site), Napa Valley, Napa County108 objects