Collection place
- North America21 objects
- The Americas21 objects
- United States21 objects
- California20 objects
- San Francisco Bay Area, California18 objects
- Contra Costa County, California8 objects
- Alameda County, California5 objects
- CA-CCo-138, Oakley, Contra Costa County4 objects
- Oakley, Contra Costa County, California4 objects
- CA-Ala-309, Emeryville, Alameda County3 objects
- Emeryville, Alameda County, California3 objects
- San Francisco County, California3 objects
- Bayview, San Francisco, San Francisco County2 objects
- Bethel Island, Contra Costa County, California2 objects
- CA-CCo-20, Bethel Island, Contra Costa County2 objects
- Fremont, Alameda County, California2 objects
- North Central California2 objects
- Northern California2 objects
- San Francisco, San Francisco County, California2 objects
- San Joaquin River Delta, Contra Costa County, California2 objects