Collection place
- North America868 objects
- The Americas868 objects
- United States868 objects
- Nevada837 objects
- Pershing County, Nevada762 objects
- Humboldt Lake Bed, Pershing County, Nevada732 objects
- Churchill County, Nevada73 objects
- Carson Sink, Churchill County, Nevada68 objects
- NV-Ch-65, Carson Sink, Churchill County, Nevada68 objects
- California31 objects
- NV-Pe-40, Pershing County, Nevada19 objects
- San Francisco Bay Area, California16 objects
- Napa County, California14 objects
- CA-Nap-16, Napa Valley, Napa County13 objects
- Lower Napa Valley, Napa County, California13 objects
- Napa Valley, Napa County, California13 objects
- CA-LAn-24, Topanga Canyon, Los Angeles County11 objects
- Los Angeles County, California11 objects
- NV-Pe-13, Pershing County, Nevada11 objects
- Santa Monica Mountains, Los Angeles County, California11 objects