Coordination of Federal research and monitoring programs for toxic and hazardous substances in the Great Lakes Region hearing before the Subcommittee on Natural Resources and Environment of the Committee on Science and Technology, U.S. House of Representatives, Ninety-sixth Congress, first session, Noovember 19, 1979
United States.Congress.House.Committee on Science and Technology.Subcommittee on Natural Resources and Environment.
Washington U.S.G.P.O.
1980
No. 96-99
Groundwater