Fiske, Vaughan, Hanzlik, Horton, and Peck nominations : hearing before the Committee on Energy and Natural Resources, United States Senate, Ninety-seventh Congress, first session, on the nominations of Guy W. Fiske to be under secretary, Department of Energy; William A. Vaughan to be assistant secretary for environmental protection, safety, and emergency preparedness, Department of Energy; Rayburn Hanzlik to be administrator, Economic Regulatory Administration, Department of Energy; Robert C. Horton to be director, Bureau of Mines, Department of the Interior; and Dallas L. Peck to be director, Geological Survey, Department of the Interior, September 14, 1981.