Columbia river and its tributaries :
hearings before the subcommittee of the Committee on Irrigation and Reclamation, House of Representatives, 78th congress, 1st session, under H. Res. 262--pt. 1-5, Aug. 26-28, 1943-Sept. 13, 1944.

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Full view   v.1-2 University of Illinois at Urbana-Champaign
Full view   v.3-5 University of Illinois at Urbana-Champaign