Collection place
- North America240 objects
- The Americas240 objects
- United States240 objects
- California121 objects
- Northeastern California121 objects
- Northern California121 objects
- Nevada118 objects
- Washoe County, Nevada118 objects
- Lassen County, California65 objects
- Surprise Valley, Lassen County, California60 objects
- Modoc County, California56 objects
- NV-Wa-200, Surprise Valley, Washoe County50 objects
- CA-Las-194, Surprise Valley, Lassen County28 objects
- CA-Las-201, Surprise Valley, Lassen County28 objects
- Surprise Valley, Modoc County, California27 objects
- NV-Wa-187, Washoe County, Nevada18 objects
- NV-Wa-204, Washoe County, Nevada12 objects
- CA-Mod-211, Modoc County, California8 objects
- CA-Mod-239, Modoc County, California8 objects
- CA-Mod-215, Modoc County, California7 objects