- California11 objects
- North America11 objects
- Northeastern California✖Remove constraint Collection place: Northeastern California11 objects
- Northern California11 objects
- The Americas11 objects
- United States11 objects
- Northern Sierras, Northern California7 objects
- El Dorado County, California3 objects
- Siskiyou County, California3 objects
- Indian Gulch, El Dorado County, California2 objects
- Nevada County, California2 objects
- CA-Cal-22, Calaveras County, California1 objects
- CA-Nev-15, Nevada County, California1 objects
- CA-Pla-19, Placer County, California1 objects
- CA-Sis-152, Shasta River, Siskiyou County1 objects
- CA-Sis-155, Siskiyou County, California1 objects
- CA-Sis-223, Lower Klamath Lake, Siskiyou County1 objects
- Calaveras County, California1 objects
- Eagle Lake, Lassen County, California1 objects
- Klamath River, Siskiyou County, California1 objects