Glen Canyon Dam, Arizona. Completed in 1964, this 580 ft. concrete arch dam is backing up the water of the Colorado River to create the 186 mile-long Lake Powell, with a shoreline of 1800 miles [Caption given by Josef Muench]
Building the dam [videorecording] / Bureau of Reclamation, Glen Canyon Visitors Center. ; Standing tall [videorecording] : the construction of Glen Canyon Dam / produced by the Bureau of Rec
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