Collection place
- North America1,731 objects
- The Americas1,731 objects
- United States1,731 objects
- California1,584 objects
- Northern California1,048 objects
- Northeastern California478 objects
- San Francisco Bay Area, California416 objects
- Lassen County, California334 objects
- Napa County, California317 objects
- North Central California303 objects
- Berryessa Valley, Napa County, California284 objects
- Northwestern California267 objects
- Mendocino County, California244 objects
- CA-Nap-93, Berryessa Valley, Napa County241 objects
- Tehama County, California202 objects
- Eagle Lake, Lassen County, California192 objects
- CA-Men-500, Mendocino County, California176 objects
- Nevada147 objects
- CA-Teh-1 (Kingsley Cave), Tehama County, California145 objects
- Douglas County, Nevada123 objects