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![National Park Service: U.S. Department of the Interior](https://webarchive.library.unt.edu/eot2008/20090507092405im_/http://www.nps.gov/pwr/templates/images/graphics/prntarrw.gif) ![National Park Service Arrowhead](https://webarchive.library.unt.edu/eot2008/20090507092405im_/http://www.nps.gov/pwr/templates/images/graphics/prnttitl.gif) |
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Alcatraz Island
Fees & Reservations
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fees & reservations includes: | Permits
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![Military prison under construction on Alcatraz. Military prison under construction on Alcatraz.](https://webarchive.library.unt.edu/eot2008/20090507092405im_/http://www.nps.gov/pwr/customcf/apps/CMS_HandF/Pictures/ALCA_5br9cm4t.jpg) |
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Did You Know?
In 1909 the U.S. Army began construction on the largest reinforced concrete structure in the world - a new military prison necessary because of a large influx of U.S. soldiers convicted of crimes in the Philippines. This building would become the famous U.S. Penitentiary Alcatraz in 1934.
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Last Updated: June 20, 2007 at 17:44 EST |