Collection place
- North America231 objects
- The Americas231 objects
- United States231 objects
- California126 objects
- San Francisco Bay Area, California125 objects
- Middle Napa Valley, Napa County, California124 objects
- Napa County, California124 objects
- Napa Valley, Napa County, California124 objects
- Nevada105 objects
- CA-Nap-32, Napa Valley, Napa County74 objects
- Rutherford area, Napa Valley, Napa County74 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County50 objects
- Oakville area, Napa Valley, Napa County50 objects
- Churchill County, Nevada34 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada19 objects
- Humboldt County, Nevada10 objects
- Humboldt Lake region, Churchill County, Nevada10 objects
- NV-Ch-15, Churchill County, Nevada10 objects
- NV-Hu-300, Humboldt County, Nevada9 objects
- NV-Ch-119, Churchill County, Nevada5 objects