Ecological Imbalance in the Great Lakes : hearings before the United States Senate Committee on Commerce, Subcommittee on Merchant Marine and Fisheries, Ninetieth Congress, first session, on Aug. 5, 7, 1967.

Committee Serial No. 90-39. Considers S. 2123, to provide for the control of the alewife and other fish and aquatic animals, in order to conserve and protect the fish resources, to combat water pollution, and to safeguard water-based recreation in the Great Lakes. Aug. 7 hearing was held in East Chi...

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