- California8 objects
- North America8 objects
- Northeastern California✖Remove constraint Collection place: Northeastern California8 objects
- Northern California8 objects
- The Americas8 objects
- United States8 objects
- Northern Sierras, Northern California5 objects
- Amador County, California3 objects
- CA-Ama-3 (Bamert Cave), Amador County, California3 objects
- Montgomery Creek, Shasta County, California3 objects
- Pit River, Shasta County, California3 objects
- Shasta County, California3 objects
- Alpine County, California1 objects
- CA-Alp-7, Alpine County, California1 objects
- Calaveras County, California1 objects
- East Fork of the Carson River, Alpine County, California1 objects
- Rich Gulch, Calaveras County, California1 objects