Collection place
- The Americas6,339 objects
- North America6,298 objects
- United States6,296 objects
- California3,294 objects
- Nevada3,001 objects
- San Francisco Bay Area, California1,862 objects
- Northern California1,308 objects
- Pershing County, Nevada1,177 objects
- Napa County, California1,145 objects
- Napa Valley, Napa County, California1,139 objects
- Middle Napa Valley, Napa County, California945 objects
- Humboldt County, Nevada886 objects
- Northeastern California784 objects
- Rutherford area, Napa Valley, Napa County749 objects
- Humboldt Lake Bed, Pershing County, Nevada743 objects
- CA-Nap-32, Napa Valley, Napa County714 objects
- Modoc County, California634 objects
- Surprise Valley, Modoc County, California629 objects
- Churchill County, Nevada547 objects
- North Central California476 objects