- California32 objects
- North America32 objects
- Northern California32 objects
- The Americas32 objects
- United States32 objects
- Northwestern California31 objects
- Mendocino County, California23 objects
- Round Valley, Mendocino County, California23 objects
- Humboldt County, California5 objects
- Klamath River below Weitchpec, Humboldt County, California5 objects
- Klamath River, Humboldt County, California5 objects
- Pekwan (historic village), Klamath River, Humboldt County5 objects
- North Central California1 objects