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(VIDEO) Dam builders face off against southwestern canyons and deserts in Operation Glen Canyon Dam

In the 1950s, the United States was working hard to control and manage the flow of water in the southwest, including along the Colorado River through Utah and Arizona. A massive project in the middle of the desert saw a nearly 600-foot-tall dam built in Glen Canyon. Today, the dam holds back Lake Powell, the massive reservoir that provides regulation of water flow to several states. This film from the U.S. Department of the Interior, Bureau of Reclamation, follows the creation of this huge megaproject.

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