Collection place
- California48 objects
- Humboldt County, California48 objects
- North America48 objects
- Northern California48 objects
- Northwestern California48 objects
- The Americas48 objects
- United States48 objects
- Mad River, Humboldt County, California37 objects
- Maple Creek, Mad River, Humboldt County37 objects
- Bridgeville, Humboldt County, California11 objects
- Van Duzen River, Humboldt County, California11 objects