Collection place
- The Americas47,954 objects
- North America47,499 objects
- United States46,892 objects
- California34,387 objects
- Northern California20,449 objects
- Northeastern California13,409 objects
- Nevada8,034 objects
- San Francisco Bay Area, California7,010 objects
- Lassen County, California5,043 objects
- North Central California5,035 objects
- Humboldt County, Nevada3,778 objects
- Napa County, California3,523 objects
- Black Rock Desert Wilderness, Humboldt County, Nevada3,284 objects
- Eastern California2,869 objects
- East side of Black Rock Desert, Humboldt County, Nevada2,854 objects
- Northern Sierras, Northern California2,833 objects
- Modoc County, California2,684 objects
- Inyo County, California2,582 objects
- Central California2,559 objects
- South Central California2,367 objects