Collection place
- California785 objects
- North America785 objects
- The Americas785 objects
- United States785 objects
- San Francisco Bay Area, California780 objects
- Contra Costa County, California510 objects
- CA-CCo-138, Oakley, Contra Costa County476 objects
- Oakley, Contra Costa County, California476 objects
- Lindsey Slough, Solano County, California135 objects
- Solano County, California135 objects
- Napa County, California120 objects
- Napa Valley, Napa County, California120 objects
- CA-Sol-2, Solano County, California109 objects
- Lower Napa Valley, Napa County, California109 objects
- CA-Nap-14 (Las Trancas site), Napa Valley, Napa County48 objects
- CA-CCo-151, El Sobrante, Contra Costa County34 objects
- El Sobrante, Contra Costa County, California34 objects
- Unincorporated western Contra Costa County, California34 objects
- CA-Nap-39 (Tulukai site), Napa Valley, Napa County28 objects
- CA-Sol-1, Solano County, California22 objects