- California48 objects
- North America48 objects
- Northern California48 objects
- Northwestern California48 objects
- The Americas48 objects
- United States48 objects
- Klamath River area, Northwestern California, California31 objects
- Humboldt County, California14 objects
- Klamath River, Humboldt County, California11 objects
- Lower Klamath River, Humboldt County, California11 objects
- Arcata Bay, Humboldt Bay, Humboldt County3 objects
- Arcata, Humboldt County, California3 objects
- Humboldt Bay, Humboldt County, California3 objects