Collection place
- The Americas25,087 objects
- North America24,771 objects
- United States24,620 objects
- California16,331 objects
- Northern California10,970 objects
- Northeastern California8,084 objects
- Nevada5,425 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 California2,529 objects
- North Central California2,516 objects
- Eastern California2,232 objects
- Inyo County, California2,017 objects
- Modoc County, California1,865 objects
- Lassen County, California1,810 objects
- Siskiyou County, California1,616 objects
- Placer County, California1,507 objects
- Surprise Valley, Modoc County, California1,478 objects
- Sacramento County, California1,447 objects