- California285 objects
- North America285 objects
- Northern California✖Remove constraint Collection place: Northern California285 objects
- The Americas285 objects
- United States285 objects
- Northeastern California142 objects
- Northwestern California113 objects
- Modoc County, California54 objects
- Humboldt County, California39 objects
- Humboldt County coast, Humboldt County, California34 objects
- North Central California30 objects
- Trinidad Bay, Humboldt County, California29 objects
- Trinidad, Humboldt County, California29 objects
- CA-Hum-169 (Tsurai), Humboldt County, California22 objects
- McCloud River, Shasta County, California19 objects
- Shasta County, California19 objects
- Sacramento County, California17 objects
- CA-DNo-11 (Point St. George site), Del Norte County, California11 objects
- Del Norte County, California11 objects
- Elk Valley, Del Norte County, California11 objects