Context

Context of Hydropower : hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Twelfth Congress, first session, to receive testimony on S. 629, to improve hydropower, and for other purposes; S. 630, to promote marine and hydrokinetic renewable energy research and development, and for other purposes; and Title I, subtitle D of the American Clean Energy Leadership Act of 2009 (S. 1462 from 111th Congress), March 31, 2011
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