Collection place
- North America110 objects
- The Americas110 objects
- United States110 objects
- California108 objects
- Modoc County, California105 objects
- Northeastern California105 objects
- Northern California105 objects
- Surprise Valley, Modoc County, California96 objects
- CA-Mod-204, Modoc County, California60 objects
- CA-Mod-197, Modoc County, California29 objects
- CA-CCo-259, Rodeo, Contra Costa County3 objects
- Contra Costa County, California3 objects
- Rodeo, Contra Costa County, California3 objects
- San Francisco Bay Area, California3 objects
- Unincorporated western Contra Costa County, California3 objects
- CA-Mod-215, Modoc County, California2 objects
- CA-Mod-237, Modoc County, California2 objects
- CA-Mod-239, Modoc County, California2 objects
- CA-Mod-339, Modoc County, California2 objects
- CA-Mod-341, Snake Lake, Modoc County2 objects