- California91 objects
- North America91 objects
- The Americas✖Remove constraint Collection place: The Americas91 objects
- United States91 objects
- Northern California75 objects
- North Central California72 objects
- Sacramento County, California66 objects
- CA-Sac-16 (Bennet Mound), Sacramento County, California45 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County14 objects
- Middle Napa Valley, Napa County, California14 objects
- Napa County, California14 objects
- Napa Valley, Napa County, California14 objects
- Oakville area, Napa Valley, Napa County14 objects
- San Francisco Bay Area, California14 objects
- Sacramento, Sacramento County, California6 objects
- CA-Sac-112 or 113 (Calquhoun Mound), Sacramento County, California5 objects
- CA-Sac-28 (Strawberry Mound), Sacramento, Sacramento County4 objects
- Woodland, Yolo County, California4 objects
- Yolo County, California4 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California3 objects