Region
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Cambodia
3
Colombia
3
Illinois
3
India
3
Ireland
3
Japan
3
Mexico
3
Missouri
3
Poland
3
Robben Island (South Africa)
3
Russia
3
Siberia
3
Sweden
3
Turkey
3
Uganda
3
Wales
3
Adirondack Mountains (N.Y.)
2
America
2
Andaman Islands
2
Attica
2
Auburn
2
French Guiana
2
Guinea
2
Israel
2
Jackson
2
Jordan
2
La Grange
2
Lorton
2
Middle West
2
Milan
2
Minnesota
2
Netherlands
2
New York (N.Y.)
2
Northeastern States
2
Oregon
2
Peru
2
Philadelphia County
2
Rome
2
Sakhalin (Sakhalinskai︠a︡ oblastʹ)
2
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)
2
San Francisco
2
Scotland
2
Siberia (Russia)
2
Tucson
2
Vorkuta (Komi, Russia)
2
Washington (State)
2
Wisconsin
2
Yugoslavia
2
États-Unis
2
Alberta
1
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