Region
- United States 70 results
- Europe 6 results
- Great Britain 4 results
- Africa 2 results
- Alaska 2 results
- Asia, Central 2 results
- California 2 results
- Canada 2 results
- Developing countries 2 results
- European Union countries 2 results
- Fairbanks 2 results
- Fairbanks (Alaska) 2 results
- Florida 2 results
- Germany 2 results
- Nevada 2 results
- Yucca Mountain 2 results