- North America4,395 objects
- The Americas4,395 objects
- United States✖Remove constraint Collection place: United States4,395 objects
- Nevada1,985 objects
- Pershing County, Nevada762 objects
- Humboldt Lake Bed, Pershing County, Nevada732 objects
- Churchill County, Nevada682 objects
- Southeastern United States665 objects
- Northeastern United States577 objects
- Humboldt Lake region, Churchill County, Nevada576 objects
- NV-Ch-13, Churchill County, Nevada546 objects
- Southern central United States420 objects
- California313 objects
- Lincoln County, Nevada310 objects
- South Carolina275 objects
- Arkansas273 objects
- Southern Great Lakes states, United States268 objects
- West Virginia226 objects
- Nye County, Nevada220 objects
- NV-Ln-1590, Lincoln County, Nevada215 objects