- California✖Remove constraint Collection place: California44 objects
- Contra Costa County, California44 objects
- North America44 objects
- San Francisco Bay Area, California44 objects
- The Americas44 objects
- United States44 objects
- CA-CCo-138, Oakley, Contra Costa County43 objects
- Oakley, Contra Costa County, California43 objects
- CA-CCo-150, Veale Tract, Contra Costa County1 objects
- Unincorporated eastern Contra Costa County, California1 objects
- Veale Tract, Contra Costa County, California1 objects