- California368 objects
- North America368 objects
- The Americas368 objects
- United States368 objects
- CA-CCo-138, Oakley, Contra Costa County352 objects
- Contra Costa County, California352 objects
- Oakley, Contra Costa County, California352 objects
- San Francisco Bay Area, California352 objects
- CA-Sta-27 (Blewett Mound), Stanislaus County, California9 objects
- Central California9 objects
- South Central California9 objects
- Stanislaus County, California9 objects
- CA-Sac-59, Sacramento County, California7 objects
- North Central California7 objects
- Northern California7 objects
- Sacramento County, California7 objects