National Geographic Daily News

Colorado River Bed

Photograph by Wilbur E. Garrett

Water rushes around rocks as the Colorado River continues to cut its way through the Grand Canyon. It takes two days by foot or mule to get to the bottom of the Grand Canyon and back, and at least two weeks to complete the journey through the canyon by raft. In 1963 the Glen Canyon Dam was completed upstream of the Grand Canyon, radically changing the flow of the Colorado.

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