Region
- United States 14 results
- Africa 4 results
- Africa, West 2 results
- Europe 2 results
- Argentina 1 results
- Asia 1 results
- Baltic Sea Region 1 results
- Caribbean Area 1 results
- Chicago 1 results
- China 1 results
- Developing countries 1 results
- Great Britain 1 results
- Hanford Site (Wash.) 1 results
- Illinois 1 results
- Nevada Test Site (Nev.) 1 results
- New York (State) 1 results
- Ontario 1 results
- Oregon 1 results
- Philippines 1 results
- South Africa 1 results
- Uganda 1 results
- Venezuela 1 results
- Washington (State) 1 results
- Western Mediterranean 1 results