- California27 objects
- North America27 objects
- North Central California✖Remove constraint Collection place: North Central California27 objects
- Northern California27 objects
- The Americas27 objects
- United States27 objects
- Sacramento County, California7 objects
- CA-Yol-52 (Holland Land site), Yolo County, California6 objects
- Colusa County, California6 objects
- Elk Slough, Yolo County, California6 objects
- Yolo County, California6 objects
- CA-Col-1 (Miller Mound), Colusa County, California5 objects
- CA-Teh-58, Tehama County, California4 objects
- San Joaquin County, California4 objects
- Tehama County, California4 objects
- CA-SJo-42, San Joaquin County, California3 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California2 objects
- Sacramento, Sacramento County, California2 objects
- CA-Col-2 (Howell's Point), Colusa County, California1 objects
- CA-SJo-106, Stockton, San Joaquin County1 objects