Collection place
- The Americas26,236 objects
- North America25,794 objects
- United States25,666 objects
- California16,700 objects
- Northern California11,292 objects
- Northeastern California8,393 objects
- Nevada5,593 objects
- Humboldt County, Nevada3,091 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada2,857 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,854 objects
- Northern Sierras, Northern California2,528 objects
- North Central California2,392 objects
- Eastern California2,230 objects
- Lassen County, California2,128 objects
- Inyo County, California2,014 objects
- Modoc County, California1,857 objects
- Siskiyou County, California1,614 objects
- Placer County, California1,507 objects
- Central California1,492 objects
- Surprise Valley, Modoc County, California1,478 objects