when was this constructed?
From 1859
Alcatraz Federal Penitentiary
from 1859
who was the most dangerous prisoner in alcatraz Robert Stroud where is this federal prison located? Alcatraz Island, off the coast of San Francisco, California
wiki:11864470
Alcatraz Federal Penitentiary [SEP] Construction
The main cellhouse was built incorporating some parts of Fort Alcatraz's citadel, a partially fortified barracks from 1859 that had come to be used as a jail. A new cellhouse was built from 1910–1912 on a budget of $250,000, and upon completion, the long concrete building was reputedly the longest concrete building in the world at the time. This building was modernized in 1933 and 1934 and became the main cellhouse of the federal penitentiary until its closure in 1963. When the new concrete prison was built, many materials were reused in its construction. Iron staircases in the interior and the cellhouse door near the barber's shop at the end of A-block were retained from the old citadel and massive granite blocks originally used as gun mounts were reused as the wharf's bulkheads and retaining walls.