Collection place
- North America809 objects
- The Americas809 objects
- California807 objects
- United States807 objects
- Northern California754 objects
- Northeastern California531 objects
- Northern Sierras, Northern California531 objects
- Calaveras County, California522 objects
- CA-Cal-83, Calaveras County, California519 objects
- North Central California181 objects
- Tehama County, California172 objects
- CA-Teh-58, Tehama County, California171 objects
- San Francisco Bay Area, California51 objects
- Northwestern California42 objects
- Mendocino County, California36 objects
- Round Valley, Mendocino County, California32 objects
- Lindsey Slough, Solano County, California28 objects
- Solano County, California28 objects
- CA-Sol-3, Solano County, California27 objects
- CA-Men-187, Round Valley, Mendocino County16 objects