BWTAS member, David Blackburn, has sent in these photographs of the water tower on the Alcatraz Island, taken from a tourist boat by a friend (click on images to reveal full size). The island has had many uses during its history, but it was during the period when it was being used as a federal prison, that the water tower was built in 1940/41. The tower consists of steel tank of 208,710 gallons (250,650 U.S. gallons) supported by six columns secured to concrete footings. The structure is 93 feet tall and is the only elevated fresh water storage facility on the island. The location is
37 degrees, 49 minutes, 34.18 seconds North, 122 degrees, 25 minutes and 19.56 seconds West.
BWTAS member, David Blackburn, has sent in these photographs of the water tower on the Alcatraz Island, taken from a tourist boat by a friend (click on images to reveal full size). The island has had many uses during its history, but it was during the period when it was being used as a federal prison, that the water tower was built in 1940/41. The tower consists of steel tank of 208,710 gallons (250,650 U.S. gallons) supported by six columns secured to concrete footings. The structure is 93 feet tall and is the only elevated fresh water storage facility on the island. The location is 37 degrees, 49 minutes, 34.18 seconds North, 122 degrees, 25 minutes and 19.56 seconds West.
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