Alcatraz Federal Penitentiary - Wikipedia
https://en.wikipedia.org/wiki/Alcatraz_Federal_Penitentiary
WEBUnited States Penitentiary, Alcatraz Island, also known simply as Alcatraz ( English: / ˈælkəˌtræz /, Spanish: [ a l k a ˈ t ɾ a s] "the gannet ") or The Rock, was a maximum security federal prison on Alcatraz Island, 1.25 miles (2.01 km) off the coast of San Francisco, California, United States.
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