- California23 objects
- North America23 objects
- The Americas✖Remove constraint Collection place: The Americas23 objects
- United States23 objects
- Northern California17 objects
- North Central California14 objects
- Sacramento County, California14 objects
- CA-Sac-21 (Hollister Mound), Sacramento County, California7 objects
- CA-CCo-138, Oakley, Contra Costa County6 objects
- CA-Sac-56 (Mosher site), Sacramento County, California6 objects
- Contra Costa County, California6 objects
- Oakley, Contra Costa County, California6 objects
- San Francisco Bay Area, California6 objects
- Amador County, California3 objects
- CA-Ama-3 (Bamert Cave), Amador County, California3 objects
- Northeastern California3 objects
- Northern Sierras, Northern California3 objects
- CA-Sac-16 (Bennet Mound), Sacramento County, California1 objects