Alcatraz Citadel having some 111 cannons encircling the island at peak, and was also used as a war camp. During the Civil War, the defense establishment at Alcatraz Citadel had the onerous task to defuse the possibility of any local war between the Union and Confederate supporters who were both part of the population of California, and to protect San Francisco. Ammunition in the form of 10,000 muskets and 150,000 cartridges was supplied to the fort, which made the Fort Alcatraz and the island most impregnable and thus leaving any plans of the Confederate soldiers of taking control of the San Francisco
Alcatraz Library Alcatraz Library Alcatraz Library was a library for inmates at Alcatraz Federal Penitentiary. It was located at the end of D-Block. On entering Alcatraz, every inmate received a library card and a catalog of books found in the library. An inmates ordered a book by putting a slip with their card in a box at the entrance to the dining hall before breakfast, and a librarian took the order to and from their cell. The library, which used a closed-stack paging system, had a collection of 10,000 to 15,000 books, mainly left over from Alcatraz's army days. Inmates were permitted