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Please read BHL's Acknowledgment of Harmful Content
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  1. By: United States. Congress. House. Committee on Natural Resources. - United States. Congress. House. Committee on Natural Resources. Subcommittee on National Parks, Forests, and Public Lands.
    Publication info: Washington, U.S. G.P.O, 1993
    Holding Institution: Boston Public Library
    Subjects: Biological diversity conservation  Conservation  Ecosystem management  Effect of habitat modification on  Fishes  Habitat (Ecology)  Modification  Northwest, Pacific  Salmon  Valley ecology  Watershed management  
  2. By: United States. Congress. House. Committee on Merchant Marine and Fisheries. - United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Environment and Natural Resources.
    Publication info: Washington, U.S. G.P.O, 1993
    Holding Institution: Boston Public Library
    Subjects: Conservation  Effect of habitat modification on  Fishery resources  Fishes  Hatchery vs. wild stocks  Northwest, Pacific  Salmon  Valley ecology  Watershed management