Water supply policy and programs in the Washington metropolitan region : oversight hearings before the Subcommittee on Economic Development and Regional Affairs of the Committee on the District of Columbia, House of Representatives, Ninety-fifth Congress, second session ... January 25, 30, and February 1, 1978.
United States.Congress.House.Committee on the District of Columbia.Subcommittee on Economic Development and Regional Affairs.
Washington : U.S. Govt. Print. Off.,
1978.
"Serial no. 95-14."
Water-supply
Water quality management