- California13 objects
- North America13 objects
- North Central California✖Remove constraint Collection place: North Central California13 objects
- Northern California13 objects
- The Americas13 objects
- United States13 objects
- Sacramento County, California11 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California10 objects
- CA-Sac-6, Sacramento County, California10 objects
- Yolo County, California2 objects
- CA-Sac-20, Sacramento County, California1 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California1 objects
- CA-Yol-52 (Holland Land site), Yolo County, California1 objects
- Elk Slough, Yolo County, California1 objects