Collection place
- North America24 objects
- The Americas24 objects
- United States24 objects
- Churchill County, Nevada23 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada23 objects
- Nevada23 objects
- CA-Col-1 (Miller Mound), Colusa County, California1 objects
- California1 objects
- Colusa County, California1 objects
- North Central California1 objects
- Northern California1 objects