- California410 objects
- Contra Costa County, California✖Remove constraint Collection place: Contra Costa County, California410 objects
- North America410 objects
- San Francisco Bay Area, California410 objects
- The Americas410 objects
- United States410 objects
- CA-CCo-138, Oakley, Contra Costa County257 objects
- Oakley, Contra Costa County, California257 objects
- Unincorporated western Contra Costa County, California109 objects
- El Sobrante, Contra Costa County, California99 objects
- CA-CCo-151, El Sobrante, Contra Costa County82 objects
- CA-CCo-14, El Sobrante, Contra Costa County17 objects
- Richmond, Contra Costa County, California16 objects
- Concord, Contra Costa County, California13 objects
- CA-CCo-259, Rodeo, Contra Costa County10 objects
- Rodeo, Contra Costa County, California10 objects
- CA-CCo-250, Concord, Contra Costa County9 objects
- Marina Bay, Richmond, Contra Costa County8 objects
- Unincorporated eastern Contra Costa County, California8 objects
- CA-CCo-284, Richmond, Contra Costa County7 objects