GCT '09

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Caption:

The four reinforced-concrete structures located above the dam, two on each side of the canyon with diameters of 82 feet at the base, 63 feet 3 inches at the top, and 29 feet 8 inches inside. Each tower is 395 feet high and each controls one-fourth the supply of water for the powerplant turbines.They stand on ledges carved into the canyon walls quite a distance above the lake bottom.

HOOVER DAM

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