Hydroelectric power makes big comeback at US dams

Associated Press
Hydroelectric power makes big comeback at US dams

Joshua Conrad, Assistant Operations Manager, U.S. Army Corps of Engineers, Lake Red Rock Project, drives a boat near the dam at Lake Red Rock, Monday, Aug. 26, 2013, near Pella, Iowa. A power company wants to build a hydroelectric plant at the dam _ a project that reflects renewed interest in hydropower nationwide that could bring changes to scores of American dams. (AP Photo/Charlie Neibergall)

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