Collection place
- The Americas24,371 objects
- North America24,131 objects
- United States24,006 objects
- California15,996 objects
- Northern California10,784 objects
- Northeastern California8,057 objects
- Nevada5,399 objects
- Humboldt County, Nevada3,039 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada2,819 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,816 objects
- Northern Sierras, Northern California2,527 objects
- North Central California2,368 objects
- Eastern California2,229 objects
- Inyo County, California2,014 objects
- Modoc County, California1,856 objects
- Lassen County, California1,796 objects
- Siskiyou County, California1,614 objects
- Placer County, California1,507 objects
- Surprise Valley, Modoc County, California1,478 objects
- Sacramento County, California1,395 objects