Oregon wilderness act of 1979 : hearings before the Subcommittee on Parks, Recreation, and Renewable Resources of the Committee on Energy and Natural Resources, United States Senate, Ninety sixth Congress, first session, on S. 812 ... S. 1369 ... Pendleton, Oreg., July 3, 1979, Salem, Oreg., July 6, 1979, Washington, D.C., September 27, 1979.

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