- California10 objects
- North America10 objects
- The Americas10 objects
- United States10 objects
- North Central California6 objects
- Northern California6 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County4 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California4 objects
- Middle Napa Valley, Napa County, California4 objects
- Napa County, California4 objects
- Napa Valley, Napa County, California4 objects
- Oakville area, Napa Valley, Napa County4 objects
- Sacramento County, California4 objects
- San Francisco Bay Area, California4 objects
- CA-SJo-56 (Old Wheeler), Thornton, San Joaquin County2 objects
- San Joaquin County, California2 objects
- Thornton, San Joaquin County, California2 objects