Collection place
- California55 objects
- North America55 objects
- The Americas55 objects
- United States55 objects
- CA-CCo-138, Oakley, Contra Costa County53 objects
- Contra Costa County, California53 objects
- Oakley, Contra Costa County, California53 objects
- San Francisco Bay Area, California53 objects
- CA-Sta-27 (Blewett Mound), Stanislaus County, California2 objects
- Central California2 objects
- South Central California2 objects
- Stanislaus County, California2 objects