Clean Water Act research and monitoring : hearing before the Subcommittee on Environment of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Second Congress, first session, June 5, 1991.
|Corporate Author:||United States.|
Washington : U.S. G.P.O. : 1991.
> Law and legislation
> United States.
Groundwater > Pollution > United States > Measurement.
Groundwater > Pollution > Research > United States.
iii, 321 p. :
ill., maps ;
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