Manmade flood unleashed in Grand Canyon (with video)

2008-03-05T00:00:00Z Manmade flood unleashed in Grand Canyon (with video)The Associated Press The Associated Press
March 05, 2008 12:00 am  • 

PAGE — The federal government will begin a manmade flood of the Grand Canyon on Wednesday morning.

They hope the three-day flood will restore the canyon's ecosystem, which was permanently changed after the construction of the Glen Canyon Dam in 1963.

The Colorado River downstream used to be warm and muddy, but now it's cold and clear. The shift helped speed the extinction of four fish species and push two others, including the endangered humpback chub, near the edge.

Officials hope the flooding will stir up sediment and redistribute it through the canyon, which will get about four to five times the normal amount of water released from the dam during this week's flood.

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