Columbia River basin :  hearings, 81st Congress, 1st and 2d sessions, on H.R. 5472, Oct. 10, 1949-Feb. 27, 1950. 

 - [Washington, D.C.],  1950. 
 - v, 476 p. :  1 tab. 
<br/><br/> CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources development--Columbia River Watershed.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Columbia River Valley.<br/>Columbia River Watershed.
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.IN 8/13:C 71/3