Collection place
- North America361 objects
- The Americas361 objects
- United States358 objects
- California347 objects
- Northern California345 objects
- Northwestern California283 objects
- Humboldt County, California118 objects
- Klamath River, Humboldt County, California68 objects
- Northeastern California52 objects
- Shasta County, California38 objects
- Weitchpec, Humboldt County, California32 objects
- near Weitchpec, Klamath River, Humboldt County32 objects
- Klamath River below Weitchpec, Humboldt County, California30 objects
- Del Norte County, California29 objects
- Elk Valley, Del Norte County, California26 objects
- Mouth of Salmon River, Del Norte County, California22 objects
- Mad River, Humboldt County, California21 objects
- Maple Creek, Mad River, Humboldt County21 objects
- Baird (historic place), Shasta County, California19 objects
- McCloud River, Shasta County, California19 objects