Details: Written by: Automater; Category: 360 Tourism

Main Cell House Level 1 known as B and C block, Most new inmates at Alcatraz were assigned to the second tier of B-Block. They had "quarantine status" for their first three months.

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Gps Coordinates / 37.8268069,-122.4230794

Alcatraz Prison Cell House 2013 2015 VR Alcatraz Island

Alcatraz Main Cell House, Pier 39, San Francisco, CA 94133, USA

The most heavily trafficked corridor was "Broadway" between B and C Block, due to its being the central corridor of the prison and passed not only by guards but other prison workers.

The main prison building was built in 1910–12 as a U.S. Army military prison.

Link Location Gps -122.4231244

Gps Coordinates / 37.8267523,-122.4231244

After being locked in for the night, 6 guards usually patrolled the four cell blocks.

Link Location Gps / Gps Link -122.4225495 / Gps Link -122.4225257 / Gps Link -122.42309

Gps Coordinates / 37.8264791,-122.4225495 / 37.8265131,-122.4225257 / 37.826777,-122.42309

Inmates were permitted one visitor a month, although anybody likely to cause trouble such as registered criminals were barred from visiting.

Link Location Gps / Gps Link -122.4227168 / Gps Link -122.4227461 / Gps Link -122.4227759

Gps Coordinates / 37.8266629,-122.4227168 / 37.8266875,-122.4227461 / 37.8267135,-122.4227759

Frank Morris and his fellow escapees escaped Alcatraz during the June 1962 escape from Alcatraz by entering a utility corridor behind B-Block.

Link Location Gps / Gps Link -122.4228072 / Gps Link -122.4228389 / Gps Link -122.4228694

Gps Coordinates / 37.8267401,-122.4228072 / 37.8267675,-122.4228389 / 37.8267943,-122.4228694

The three-story cellhouse included the four main cell blocks – A-block through D-block, the warden's office.

Link Location Gps / Gps Link -122.4229015 / Gps Link -122.4231548 / Gps Link -122.4231212

Gps Coordinates / 37.8268233,-122.4229015 / 37.8267289,-122.4231548 / 37.826692,-122.4231212

Many prisoners have compared their duration at Alcatraz to hell and would have preferred death to continued incarceration.

Link Location Gps / Gps Link -122.4230913 / Gps Link -122.4230648 / Gps Link -000.000

Gps Coordinates / 37.826669,-122.4230913 / 37.8266466,-122.4230648 / 37.8266233,-122.4230377

In June 1934, the Teletouch Corporation of New York began the installation of an "electro-magnetic gun or metal detecting system" at Alcatraz.

Link Location Gps / Gps Link -122.4230022 / Gps Link -122.4229749 / Gps Link -122.4229506

Gps Coordinates / 37.8265917,-122.4230022 / 37.8265684,-122.4229749 / 37.8265467,-122.4229506

Detectors were added on the wharf, at the front entrance into the cellblock, and at the rear entrance gate.

Link Location Gps / Gps Link -122.4229261 / Gps Link -122.4228977 / Gps Link -122.4228398

Gps Coordinates / 37.8265244,-122.4229261 / 37.8264992,-122.4228977 / 37.8264514,-122.4228398

The correctional officers were instructed on how to operate the new locking devices in July 1934, and both the United States Coast Guard and the San Francisco Police Department tested the new radio equipment.

Link Location Gps / Gps Link -122.4227958 / Gps Link -122.4227637 / Gps Link -122.422686

Gps Coordinates / 37.8264139,-122.4227958 / 37.826385,-122.4227637 / 37.8263666,-122.422686

Alcatraz cellhouse had a corridor naming system named after major American streets and landmarks.

Link Location Gps / Gps Link -122.4226519 / Gps Link -122.423051 / Gps Link -122.423027

Gps Coordinates / 37.8263969,-122.4226519 / 37.8267827,-122.423051 / 37.8267637,-122.423027

Michigan Avenue was the corridor to the side of A-Block.

Link Location Gps / Gps Link -122.4230023 / Gps Link -122.4229776 / Gps Link -122.4229513

Gps Coordinates / 37.8267441,-122.4230023 / 37.8267242,-122.4229776 / 37.8267026,-122.4229513

Broadway was the central corridor in which the inmates would assemble as they massed through Times Square (an area with a clock on the wall), before entering the dining hall for their meals.

Link Location Gps / Gps Link -122.4229259 / Gps Link -122.4229008 / Gps Link -122.4228486

Gps Coordinates / 37.8266816,-122.4229259 / 37.8266616,-122.4229008 / 37.8266206,-122.4228486

Broadway separated Block-B and Block-C and prisoners kept along it had the least privacy in the prison.

Link Location Gps / Gps Link -122.4228486 / Gps Link -122.4228232 / Gps Link -122.4228003

Gps Coordinates / 37.8266206,-122.4228486 / 37.8266008,-122.4228232 / 37.8265819,-122.4228003

The corridor between Block-C and the library was called Park Avenue.

Link Location Gps / Gps Link -122.4227756 / Gps Link -122.4227487 / Gps Link -122.4227229

Gps Coordinates / 37.8265622,-122.4227756 / 37.8265408,-122.4227487 / 37.8265199,-122.4227229

The Warden's House is located at the northeastern end of the Main Cellblock, next to Alcatraz Lighthouse.

Link Location Gps / Gps Link -122.4226979 / Gps Link -122.422674 / Gps Link -122.4226499

Gps Coordinates / 37.826499,-122.4226979 / 37.826479,-122.422674 / 37.8264591,-122.4226499

The three-story cellhouse included the four main cell blocks – A-block through D-block, the warden's office, visitation room, the library, and the barber shop.

Link Location Gps / Gps Link -122.4226273 / Gps Link -122.4226001 / Gps Link -122.4227326

Gps Coordinates / 37.8264405,-122.4226273 / 37.8264259,-122.4226001 / 37.8263758,-122.4227326

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.