Collection place
- The Americas45,938 objects
- North America45,687 objects
- United States45,085 objects
- California33,618 objects
- Northern California19,929 objects
- Northeastern California13,067 objects
- Nevada7,780 objects
- San Francisco Bay Area, California6,910 objects
- North Central California5,006 objects
- Lassen County, California4,708 objects
- Humboldt County, Nevada3,686 objects
- Napa County, California3,491 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada3,244 objects
- Eastern California2,869 objects
- Northern Sierras, Northern California2,832 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,816 objects
- Modoc County, California2,682 objects
- Inyo County, California2,583 objects
- Central California2,413 objects
- Sacramento County, California2,307 objects