- California✖Remove constraint Collection place: California57 objects
- Contra Costa County, California57 objects
- North America57 objects
- San Francisco Bay Area, California57 objects
- The Americas57 objects
- United States57 objects
- CA-CCo-138, Oakley, Contra Costa County50 objects
- Oakley, Contra Costa County, California50 objects
- CA-CCo-150, Veale Tract, Contra Costa County4 objects
- Unincorporated eastern Contra Costa County, California4 objects
- Veale Tract, Contra Costa County, California4 objects
- CA-CCo-250, Concord, Contra Costa County3 objects
- Concord, Contra Costa County, California3 objects