ICF Inc. study inquiry : hearing before the Subcommittee on Public Lands and Resources of the Committee on Energy and Natural Resources, United States Senate, Ninety-fifth Congress, first session ... May 11, 1977.
United States.Congress.Senate.Committee on Energy and Natural Resources.Subcommittee on Public Lands and Resources.
Washington : U.S. Govt. Print. Off.,
1977.
"Publication no. 95-35."
Strip mining
Strip mining
Coal