Collection place
- The Americas49,928 objects
- North America49,396 objects
- United States48,750 objects
- California35,714 objects
- Northern California21,289 objects
- Northeastern California13,464 objects
- Nevada8,155 objects
- San Francisco Bay Area, California7,277 objects
- North Central California5,679 objects
- Lassen County, California5,071 objects
- Humboldt County, Nevada3,779 objects
- Napa County, California3,596 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada3,284 objects
- Eastern California2,876 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,854 objects
- Northern Sierras, Northern California2,844 objects
- Sacramento County, California2,728 objects
- Modoc County, California2,696 objects
- Inyo County, California2,589 objects
- Central California2,586 objects