- California29 objects
- North America29 objects
- The Americas29 objects
- United States29 objects
- North Central California26 objects
- Northern California26 objects
- Sacramento County, California15 objects
- CA-SJo-144, San Joaquin County, California11 objects
- San Joaquin County, California11 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California8 objects
- CA-Sac-6, Sacramento County, California8 objects
- CA-Sac-28 (Strawberry Mound), Sacramento, Sacramento County5 objects
- Sacramento, Sacramento County, California5 objects
- CA-Nap-15, Napa Valley, Napa County3 objects
- Lower Napa Valley, Napa County, California3 objects
- Napa County, California3 objects
- Napa Valley, Napa County, California3 objects
- San Francisco Bay Area, California3 objects
- Sacramento River, Sacramento County, California2 objects