- California6 objects
- North America6 objects
- The Americas6 objects
- United States6 objects
- Contra Costa County, California4 objects
- San Francisco Bay Area, California4 objects
- CA-CCo-138, Oakley, Contra Costa County2 objects
- North Central California2 objects
- Northern California2 objects
- Oakley, Contra Costa County, California2 objects
- USA-NL-8, Contra Costa County, California2 objects
- CA-SJo-68, San Joaquin County, California1 objects
- CA-Sac-28 (Strawberry Mound), Sacramento, Sacramento County1 objects
- Sacramento County, California1 objects
- Sacramento, Sacramento County, California1 objects
- San Joaquin County, California1 objects