Collection place
- North America39 objects
- The Americas39 objects
- California38 objects
- United States38 objects
- Northern California28 objects
- Mendocino County, California14 objects
- Northeastern California14 objects
- Northwestern California14 objects
- CA-Mod-204, Modoc County, California8 objects
- Modoc County, California8 objects
- Surprise Valley, Modoc County, California8 objects
- CA-Men-587, Mendocino County, California6 objects
- San Francisco Bay Area, California6 objects
- CA-Nev-67, Prosser Creek area, Nevada County5 objects
- Napa County, California5 objects
- Napa Valley, Napa County, California5 objects
- Nevada County, California5 objects
- Northern Sierras, Northern California5 objects
- Prosser Creek area, Nevada County, California5 objects
- CA-Nap-152, Napa Valley, Napa County4 objects