Clean Air Act and increased coal use : Environmental Protection Agency oversight : hearings before a Subcommittee of the Committee on Government Operations, House of Representatives, Ninety-sixth Congress, first session, September 11 and 13, 1979.
United States.Congress.House.Committee on Government Operations.Environment, Energy, and Natural Resources Subcommittee.
Washington : U.S. Govt. Print. Off.,
1979.
Bibliography: p. 98-106.
United States. Environmental Protection Agency
Coal
Air