- California218 objects
- Contra Costa County, California✖Remove constraint Collection place: Contra Costa County, California218 objects
- North America218 objects
- San Francisco Bay Area, California218 objects
- The Americas218 objects
- United States218 objects
- CA-CCo-138, Oakley, Contra Costa County192 objects
- Oakley, Contra Costa County, California192 objects
- El Sobrante, Contra Costa County, California23 objects
- Unincorporated western Contra Costa County, California23 objects
- CA-CCo-151, El Sobrante, Contra Costa County16 objects
- CA-CCo-14, El Sobrante, Contra Costa County7 objects
- Alamo, Contra Costa County, California2 objects
- CA-CCo-311, Alamo, Contra Costa County2 objects
- Unincorporated central Contra Costa County, California2 objects
- CA-CCo-141, Palm Tract, Contra Costa County1 objects
- Palm Tract, Contra Costa County, California1 objects
- Unincorporated eastern Contra Costa County, California1 objects