- California9 objects
- North America9 objects
- Northern California✖Remove constraint Collection place: Northern California9 objects
- The Americas9 objects
- United States9 objects
- Northeastern California5 objects
- Humboldt County, California4 objects
- Klamath River below Weitchpec, Humboldt County, California4 objects
- Klamath River, Humboldt County, California4 objects
- Northwestern California4 objects
- CA-Las-1, Lassen County, California3 objects
- Honey Lake Valley, Lassen County, California3 objects
- Lassen County, California3 objects
- CA-Mod-27, Modoc County, California2 objects
- Modoc County, California2 objects
- Murek, Humboldt County, California1 objects