Bonneville Dam. Columbia River (Bonneville Dam), Oreg. and Wash., hearings, 74th Congress, 2d session, on H. R. 12873, H. R. 12875, H. R. 12895, and H. R. 12899, bills to authorize completion, maintenance, and operation of certain facilities for navigation on Columbia River, and for other purposes, June 3-8, 1936.

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