Upper Prison has been mentioned less than a dozen times throughout the RSS channels we monitor. This location appears to be especially popular on the channel 'List of Wonders' where it has less than a dozen mentions. As seen in the chart below, Upper Prison had the highest popularity figure in January, 2015.

? Location Mentions History Monthly Yearly
?The Longest Periods Of Continual Mentions
?Location Mentions History
Recent News
History of Alcatraz Island

[...] conditions of the place or some disease. After the Spanish American wars in the year 1898, an Upper Prison was also built, some cannons were discarded and some updated… The Rock – Source It was [...]


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