Collection place
- California66 objects
- North America66 objects
- The Americas66 objects
- United States66 objects
- CA-CCo-138, Oakley, Contra Costa County64 objects
- Contra Costa County, California64 objects
- Oakley, Contra Costa County, California64 objects
- San Francisco Bay Area, California64 objects
- CA-Sta-27 (Blewett Mound), Stanislaus County, California2 objects
- Central California2 objects
- South Central California2 objects
- Stanislaus County, California2 objects