- California✖Remove constraint Collection place: California32 objects
- Contra Costa County, California32 objects
- North America32 objects
- San Francisco Bay Area, California32 objects
- The Americas32 objects
- United States32 objects
- CA-CCo-138, Oakley, Contra Costa County11 objects
- CA-CCo-250, Concord, Contra Costa County11 objects
- Concord, Contra Costa County, California11 objects
- Oakley, Contra Costa County, California11 objects
- CA-CCo-150, Veale Tract, Contra Costa County10 objects
- Unincorporated eastern Contra Costa County, California10 objects
- Veale Tract, Contra Costa County, California10 objects