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  1. Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994.
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
    Contributed by: Boston Public Library (archive.org)
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  2. S. 171, Department of the Environment Act : hearing before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, first session, on S. 171, to establish the Department of the Environment, provide for a Bureau o
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1993.
    Contributed by: Boston Public Library (archive.org)
    View Book