Department of Energy authorizations for fiscal years 1986 and 1987 : oversight hearings before the Subcommittee on Energy and the Environment of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-ninth Congress, first and second sessions, on Department of Energy authorizations for fiscal years 1986 and 1987; hearings held in Washington, DC, March 5, 1985 and February 7, 1986.