- North America26 objects
- The Americas26 objects
- United States26 objects
- California25 objects
- Nevada County, California25 objects
- Northeastern California25 objects
- Northern California25 objects
- Northern Sierras, Northern California25 objects
- San Juan Ridge, Nevada County, California25 objects
- CA-Nev-46, Nevada County, California21 objects
- CA-Nev-32, Nevada County, California1 objects
- CA-Nev-33, Nevada County, California1 objects
- CA-Nev-37, Nevada County, California1 objects
- CA-Nev-40, Nevada County, California1 objects
- French Corral area, Nevada County, California1 objects
- Humboldt County, Nevada1 objects
- NV-Hu-14, Humboldt County, Nevada1 objects
- Nevada1 objects