Collection place
- The Americas47,879 objects
- North America47,551 objects
- United States46,910 objects
- California34,928 objects
- Northern California20,767 objects
- Northeastern California13,122 objects
- Nevada7,899 objects
- San Francisco Bay Area, California7,166 objects
- North Central California5,648 objects
- Lassen County, California4,735 objects
- Humboldt County, Nevada3,686 objects
- Napa County, California3,564 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada3,244 objects
- Eastern California2,874 objects
- Northern Sierras, Northern California2,843 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,816 objects
- Sacramento County, California2,720 objects
- Modoc County, California2,695 objects
- Inyo County, California2,588 objects
- Central California2,440 objects