The twentieth anniversary of the Clean Water Act [microform] : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Second Congress, second session, September 22, 1992.
United States.Congress.Senate.Committee on Environment and Public Works.
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,
1992.
Distributed to some depository libraries in microfiche.
Shipping list no.: 93-0017-P.
Includes bibliographical references (p. 78-81).
Microfiche.
Water
Water quality management