Region
United States
86
Colorado
23
California
5
Great Britain
4
New York (State)
4
China
3
Soviet Union
3
Canon City
2
Russia (Federation)
2
Turkey
2
Alcatraz Island
1
Alcatraz Island (Calif.)
1
Arizona
1
Brazil
1
Buena Vista
1
Coxsackie
1
Europe
1
Former Soviet republics
1
Georgia
1
Golden Gate National Recreation Area
1
Golden Gate National Recreation Area (Calif.)
1
Guinea
1
Illinois
1
Istanbul
1
Istanbul (Turkey)
1
Japan
1
Kenya
1
Korea (North)
1
Lorton
1
Mexico
1
New York
1
New York (N.Y.)
1
Nicaragua
1
Ossining
1
Pennsylvania
1
Philadelphia (Pa.)
1
Russia
1
Thomson
1
Virginia
1
Washington (D.C.)
1
Yemen (Republic)
1