Collection place
- California45 objects
- North America45 objects
- The Americas45 objects
- United States45 objects
- Contra Costa County, California26 objects
- San Francisco Bay Area, California26 objects
- CA-CCo-259, Rodeo, Contra Costa County20 objects
- Rodeo, Contra Costa County, California20 objects
- Unincorporated western Contra Costa County, California20 objects
- Central California17 objects
- South Central California17 objects
- CA-Mad-12, Madera County, California8 objects
- Madera County, California8 objects
- CA-CCo-141, Palm Tract, Contra Costa County6 objects
- Palm Tract, Contra Costa County, California6 objects
- Unincorporated eastern Contra Costa County, California6 objects
- Fresno County, California4 objects
- CA-Kin-1, Kings County, California3 objects
- Kings County, California3 objects
- CA-Fre-48 (Tranquillity site), Fresno County, California2 objects