Collection place
- California13 objects
- North America13 objects
- The Americas13 objects
- United States13 objects
- CA-CCo-138, Oakley, Contra Costa County12 objects
- Contra Costa County, California12 objects
- Oakley, Contra Costa County, California12 objects
- San Francisco Bay Area, California12 objects
- CA-Sta-27 (Blewett Mound), Stanislaus County, California1 objects
- Central California1 objects
- South Central California1 objects
- Stanislaus County, California1 objects