Collection place
- North America15 objects
- The Americas15 objects
- United States15 objects
- California9 objects
- Illinois5 objects
- Napa County, California5 objects
- San Francisco Bay Area, California5 objects
- Southern Great Lakes states, United States5 objects
- Angwin area, Napa County, California4 objects
- CA-Nap-37, Napa Valley, Napa County4 objects
- Northeastern California2 objects
- Northern California2 objects
- Churchill County, Nevada1 objects
- Davis Creek, Modoc County, California1 objects
- Modoc County, California1 objects
- NV-Ch-126, Churchill County, Nevada1 objects
- Nevada1 objects
- Northern Sierras, Northern California1 objects
- Tuolumne County, California1 objects
- Tuolumne Meadows, Tuolumne County, California1 objects