Glen Canyon Dam is a dam on the Colorado River at Page, Arizona. The dam has been controversial since its inception, because it caused the flooding of Glen Canyon to create a man-made reservoir, Lake Powell.
The dam is 1,560 feet long along its crest, 300 feet thick at the base and 25 feet thick at the top. Its height above the Colorado River is 587 feet. Eight Francis type hydroelectric generators give it a generating capacity of 1,300 MW.
Its construction began in 1956. Although the dam was not dedicated until 1966, it was able to begin blocking the flow of the river in 1963.
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