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Columbia and Snake rivers Oreg Wash and IdahoHearings before the Committee on rivers and harbors House of representatives Seventy-third Congress second session on the subject of the improvement of the Columbia and Snake rivers Oreg Wash and Idaho February 3 1934Book出版 1934
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Columbia River (Bonneville Dam) Oreg and WashHearings before the Committee on Rivers and Harbors House of Representatives Seventy-fifth Congress first session on HR 7642 a bill to authorize completion maintenance and operation of Bonneville project for navigation and for other purposes (in the formulation of this measure the following House bills were considered 92 4948 6151 6387 6973 and 7010) March April May and June 1937Book出版 1937