Region
Great Britain
6
Europe
3
Australia
1
European Union countries
1
India
1
La Trobe River Valley
1
Longford (Vic.)
1
Mexico, Gulf of
1
Netherlands
1
Ozersk (Cheliabinskaia oblast)
1
Ozersk (Cheliabinskaia oblast, Russia)
1
Richland
1
Richland (Wash.)
1
Rijnmond
1
Russia (Federation)
1
Soviet Union
1
Texas
1
Texas City
1
United States
1
Victoria
1
Washington (State)
1