The status of wetlands science [microform] : hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One Hundred Second Congress, first session, April 9, 1991.
United States.Congress.Senate.Committee on Environment and Public Works.Subcommittee on Environmental Protection.
Washington [D.C.] : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
1991.
Includes bibliographical references (p. 45-46).
Microfiche.
Wetland conservation
Wetlands
Water quality management
Environmental protection