Collection place
- North America3,183 objects
- The Americas3,183 objects
- United States3,182 objects
- California2,187 objects
- San Francisco Bay Area, California1,110 objects
- Nevada995 objects
- Northern California875 objects
- Contra Costa County, California580 objects
- Humboldt County, Nevada548 objects
- North Central California527 objects
- NV-Hu-300, Humboldt County, Nevada525 objects
- Northeastern California324 objects
- Unincorporated western Contra Costa County, California271 objects
- Marin County, California259 objects
- Churchill County, Nevada256 objects
- San Joaquin County, California246 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada239 objects
- El Sobrante, Contra Costa County, California224 objects
- CA-CCo-151, El Sobrante, Contra Costa County222 objects
- Modoc County, California221 objects