Collection place
- The Americas27,032 objects
- North America26,514 objects
- United States26,254 objects
- California17,090 objects
- Northern California11,520 objects
- Northeastern California8,461 objects
- Nevada5,617 objects
- Humboldt County, Nevada3,090 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada2,851 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,848 objects
- North Central California2,546 objects
- Northern Sierras, Northern California2,530 objects
- Eastern California2,231 objects
- Lassen County, California2,143 objects
- Inyo County, California2,016 objects
- Modoc County, California1,859 objects
- Siskiyou County, California1,649 objects
- Placer County, California1,508 objects
- Central California1,507 objects
- South Central California1,478 objects