Collection place
- North America13 objects
- The Americas13 objects
- United States12 objects
- California8 objects
- Nevada4 objects
- Northern California4 objects
- Churchill County, Nevada3 objects
- Los Angeles County, California3 objects
- Santa Monica Mountains, Los Angeles County, California3 objects
- Southern California3 objects
- Topanga Canyon, Santa Monica Mountains, Los Angeles County3 objects
- CA-LAn-1, Topanga Canyon, Los Angeles County2 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada2 objects
- North Central California2 objects
- Northeastern California2 objects
- Tehama County, California2 objects
- Baja California peninsula, Mexico1 objects
- Baja California, Mexico1 objects
- CA-LAn-2, Topanga Canyon, Los Angeles County1 objects
- CA-Mrn-284, Tomales Bay, Marin County1 objects