Glen Canyon overlook
Glen Canyon, in southeastern and south central Utah and northwestern Arizona within the Vermilion Cliffs area, was carved by two rivers, the Colorado River and the San Juan River. A reservoir, Lake Powell, was created by the Glen Canyon Dam. Lake Powell emerged from a struggle over damming Dinosaur National Monument. The Sierra Club and its leader, David Brower, were instrumental in blocking the dam in Dinosaur. In exchange, they accepted a dam in Glen Canyon. Before the canyon was flooded, but after the struggle in Congress, Brower floated the canyon and realized what a tremendous resource it was. This experience transformed Brower's attitude towards environmental preservation, making him more radical and less likely to compromise. It was very similar to the experience of John Muir with Hetch Hetchy. For Brower, it steeled him for the battle over a dam in the Grand Canyon. Beginning in the late 1990's, the Sierra Club and other organizations renewed the call to drain Lake Powell in Lower Glen Canyon.
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