Collection place
- North America988 objects
- The Americas988 objects
- United States988 objects
- California935 objects
- Northern California929 objects
- Northwestern California882 objects
- Arizona53 objects
- Del Norte County, California53 objects
- Mohave County, Arizona53 objects
- Mohave Valley, Mohave County, Arizona53 objects
- Southwestern United States53 objects
- Elk Valley, Del Norte County, California51 objects
- Mouth of Salmon River, Del Norte County, California51 objects
- Humboldt County, California37 objects
- Northeastern California32 objects
- Klamath River, Humboldt County, California29 objects
- Lower Klamath River, Humboldt County, California29 objects
- Shasta County, California25 objects
- North Central California15 objects
- Baird (historic place), Shasta County, California12 objects