- California4 objects
- North America4 objects
- Northern California✖Remove constraint Collection place: Northern California4 objects
- The Americas4 objects
- United States4 objects
- Lassen County, California2 objects
- North Central California2 objects
- Northeastern California2 objects
- CA-Las-194, Surprise Valley, Lassen County1 objects
- CA-Las-7, Karlo area, Lassen County1 objects
- CA-Sac-56 (Mosher site), Sacramento County, California1 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California1 objects
- Karlo area, Lassen County, California1 objects
- Sacramento County, California1 objects
- Surprise Valley, Lassen County, California1 objects
- Yolo County, California1 objects