Collection place
- North America507 objects
- The Americas507 objects
- United States507 objects
- California450 objects
- Northern California450 objects
- Northeastern California449 objects
- Modoc County, California408 objects
- Surprise Valley, Modoc County, California400 objects
- CA-Mod-197, Modoc County, California249 objects
- CA-Mod-204, Modoc County, California62 objects
- Nevada57 objects
- Washoe County, Nevada57 objects
- Lassen County, California41 objects
- Surprise Valley, Lassen County, California37 objects
- CA-Mod-215, Modoc County, California28 objects
- NV-Wa-187, Washoe County, Nevada24 objects
- CA-Las-201, Surprise Valley, Lassen County23 objects
- NV-Wa-183, Washoe County, Nevada14 objects
- CA-Las-194, Surprise Valley, Lassen County12 objects
- CA-Mod-230, Modoc County, California8 objects