Columbia River and Its Tributaries: Hearings Before the Subcommittee on Irrigation and Reclamation, House of Representatives, Seventy-eighth Congress, First Session, Under H. Res. 262, a Resolution Authorizing the Committee on Irrigation and Reclamation, Acting as a Whole Or by Subcommittee, to Make an Investigation of the Plans for the Improvement of the Columbia River and Its Tributaries for the Utilization of Its Waters for Reclamation, Flood Control, Navigation, and Hydroelectric Power Generation, and the Cost and Effects of Proposed Water Storage in Lake Pend Oreille in Idaho and Flathead Lake in Montana ...