Unknown2019-04-122019-04-121957-09-09EPM-074-13-016http://hdl.handle.net/20.500.11867/1619650 sheets 8.5 x 11 inch. Typed, some recto and verso, some only rect."This bulletin is to acquaint interested persons with the status and preliminary findings of the review of the plan for comprehensive development of the water resources of the Columbia River Basin contained in House Document No. 531." Lengthy document with graphs, maps, and tables interspersed throughout.Statistical dataMap