- California3,329 objects
- North America3,329 objects
- Northern California✖Remove constraint Collection place: Northern California3,329 objects
- The Americas3,329 objects
- United States3,329 objects
- Northwestern California1,607 objects
- North Central California946 objects
- Northeastern California776 objects
- Mendocino County, California462 objects
- Northern Sierras, Northern California416 objects
- Humboldt County, California309 objects
- Round Valley, Mendocino County, California192 objects
- Klamath River, Humboldt County, California181 objects
- Weitchpec, Humboldt County, California109 objects
- near Weitchpec, Klamath River, Humboldt County109 objects
- Lake County, California100 objects
- Modoc County, California80 objects
- Calaveras County, California75 objects
- Shasta County, California75 objects
- Ukiah Valley, Mendocino County, California58 objects