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Thursday, October 28, 2010

Photo: Third Manmade Grand Canyon Flood Planned


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February 26, 2008—The Colorado River runs through Grand Canyon rock formations in this undated photograph.

For the third time since 1996, officials plan to unleash a manmade flood in the Grand Canyon next month in an effort to restore an ecosystem that was altered by a dam constructed on the Colorado River decades ago.

If approved by the U.S. Department of the Interior, next month's flood will scour and reshape miles of sandy banks on the floor of the Grand Canyon. The department's decision is expected this week.

Photograph by Michael Nichols/National Geographic