- California6 objects
- North America6 objects
- The Americas6 objects
- United States6 objects
- CA-SJo-154, San Joaquin County, California4 objects
- North Central California4 objects
- Northern California4 objects
- San Joaquin County, California4 objects
- San Francisco Bay Area, California2 objects
- Alameda County, California1 objects
- Benicia, Solano County, California1 objects
- CA-Ala-309, Emeryville, Alameda County1 objects
- CA-Sol-237 (Benicia Shellmound), Benicia, Solano County1 objects
- Emeryville, Alameda County, California1 objects
- Solano County, California1 objects