- North America4 objects
- The Americas4 objects
- United States4 objects
- California2 objects
- Elko County, Nevada2 objects
- NV-El-11, Elko County, Nevada2 objects
- Nevada2 objects
- Northern California2 objects
- CA-Hum-169 (Tsurai), Humboldt County, California1 objects
- CA-Sac-31 (Joe Mound #1), Sacramento, Sacramento County1 objects
- Humboldt County coast, Humboldt County, California1 objects
- Humboldt County, California1 objects
- North Central California1 objects
- Northwestern California1 objects
- Sacramento County, California1 objects
- Sacramento, Sacramento County, California1 objects
- Trinidad Bay, Humboldt County, California1 objects
- Trinidad, Humboldt County, California1 objects