Collection place
- North America15 objects
- The Americas15 objects
- United States15 objects
- Churchill County, Nevada10 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada10 objects
- Nevada10 objects
- CA-Col-1 (Miller Mound), Colusa County, California5 objects
- California5 objects
- Colusa County, California5 objects
- North Central California5 objects
- Northern California5 objects