Collection place
- The Americas26,965 objects
- North America26,447 objects
- United States26,293 objects
- California17,034 objects
- Northern California11,480 objects
- Northeastern California8,420 objects
- Nevada5,620 objects
- Humboldt County, Nevada3,092 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada2,857 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,854 objects
- North Central California2,542 objects
- Northern Sierras, Northern California2,530 objects
- Eastern California2,233 objects
- Lassen County, California2,143 objects
- Inyo County, California2,017 objects
- Modoc County, California1,865 objects
- Siskiyou County, California1,616 objects
- Placer County, California1,507 objects
- Central California1,497 objects
- Surprise Valley, Modoc County, California1,478 objects