Collection place
- California4 objects
- North America4 objects
- Northern California4 objects
- The Americas4 objects
- United States4 objects
- Butte County, California2 objects
- North Central California2 objects
- Feather River/Lower Horvat Creek watershed1 objects
- Mendocino County, California1 objects
- Mooretown, Butte County, California1 objects
- Northeastern California1 objects
- Northern Sierras, Northern California1 objects
- Northwestern California1 objects
- Round Valley, Mendocino County, California1 objects