Collection place
- North America75 objects
- The Americas75 objects
- United States75 objects
- California51 objects
- Northern California32 objects
- North Central California31 objects
- San Joaquin County, California25 objects
- CA-SJo-68, San Joaquin County, California24 objects
- Churchill County, Nevada24 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada24 objects
- Nevada24 objects
- San Francisco Bay Area, California15 objects
- CA-Sol-2, Solano County, California9 objects
- Lindsey Slough, Solano County, California9 objects
- Solano County, California9 objects
- Contra Costa County, California6 objects
- Sacramento County, California6 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California4 objects
- CA-CCo-138, Oakley, Contra Costa County3 objects
- Central California3 objects