- California77 objects
- North America77 objects
- Northern California✖Remove constraint Collection place: Northern California77 objects
- The Americas77 objects
- United States77 objects
- North Central California26 objects
- Northeastern California26 objects
- Northwestern California25 objects
- Northern Sierras, Northern California24 objects
- Mendocino County, California13 objects
- Calaveras County, California9 objects
- Humboldt County, California8 objects
- Round Valley, Mendocino County, California8 objects
- Klamath River, Humboldt County, California7 objects
- Klamath River below Weitchpec, Humboldt County, California5 objects
- Plumas County, California4 objects
- Wakhtek, Humboldt County, California4 objects
- Rich Gulch, Calaveras County, California3 objects
- Amador County, California2 objects
- Angels Camp, Calaveras County, California2 objects