Collection place
- The Americas251 objects
- North America248 objects
- United States247 objects
- California180 objects
- San Francisco Bay Area, California74 objects
- Nevada45 objects
- Central California40 objects
- Northern California39 objects
- Central California coast35 objects
- Churchill County, Nevada31 objects
- Southern California25 objects
- Contra Costa County, California22 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada22 objects
- San Luis Obispo County, California22 objects
- CA-SLO-463, San Luis Obispo County, California21 objects
- North Central California19 objects
- Richmond, Contra Costa County, California15 objects
- Santa Barbara County, California15 objects
- CA-CCo-295, Richmond, Contra Costa County13 objects
- Marina Bay, Richmond, Contra Costa County13 objects