Collection place
- North America55 objects
- The Americas55 objects
- United States55 objects
- California50 objects
- Modoc County, California50 objects
- Northeastern California50 objects
- Northern California50 objects
- Surprise Valley, Modoc County, California50 objects
- CA-Mod-197, Modoc County, California39 objects
- Nevada5 objects
- Washoe County, Nevada5 objects
- CA-Mod-217, Modoc County, California4 objects
- CA-Mod-196, Modoc County, California2 objects
- CA-Mod-199, Modoc County, California2 objects
- NV-Wa-181, Washoe County, Nevada2 objects
- CA-Mod-215, Modoc County, California1 objects
- CA-Mod-218, Modoc County, California1 objects
- CA-Mod-222, Modoc County, California1 objects
- NV-Wa-183, Washoe County, Nevada1 objects
- NV-Wa-185, Washoe County, Nevada1 objects