Kimball, Lopez, and Regalbuto nominations : hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Thirteenth Congress, second session, on the nominations of Dr. Suzette M. Kimball, to be director of the United States Geological Survey; Mr. Estevan R. Lopez, to be Commissioner of Reclamation; and Dr. Monica C. Regalbuto, to be an Assistant Secretary of Energy (Environmental Management), May 13, 2014