- California40 objects
- North America40 objects
- Northern California✖Remove constraint Collection place: Northern California40 objects
- The Americas40 objects
- United States40 objects
- Northeastern California21 objects
- Northwestern California15 objects
- Del Norte County, California7 objects
- Elk Valley, Del Norte County, California7 objects
- Mouth of Salmon River, Del Norte County, California7 objects
- North Central California4 objects
- Modoc County, California3 objects
- Shasta County, California3 objects
- Baird (historic place), Shasta County, California1 objects
- Humboldt County, California1 objects
- Klamath River above Weitchpec, Humboldt County, California1 objects
- Klamath River, Humboldt County, California1 objects
- Likely Rancheria, Modoc County, California1 objects
- McCloud River, Shasta County, California1 objects
- Orleans area, Humboldt County, California1 objects