Collection place
- North America8 objects
- The Americas8 objects
- United States8 objects
- CA-Mod-197, Modoc County, California7 objects
- California7 objects
- Modoc County, California7 objects
- Northeastern California7 objects
- Northern California7 objects
- Surprise Valley, Modoc County, California7 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada1 objects
- Humboldt County, Nevada1 objects
- NV-Hu-17 (Buck Brush Springs), Humboldt County, Nevada1 objects
- Nevada1 objects