Columbia river valley traffic survey. 

 - Eugene [Ore.]  The University  [1931] 
 - 16 p. incl. tables, diagr.  26 cm. 
 - Its Studies in business,  no. 10 University of Oregon publication. Business administration series.  vol. II, no. 3. .
 - University of Oregon.  Bureau of Business and Economic Research.  University of Oregon studies in business ;  no. 10. University of Oregon.  Publication. Business administration series ;  v. 2, no. 3. .
<br/><br/> At head of title: The University of Oregon. School of business administration. Bureau of business research. 
<br/><br/><label>LCCN: </label>cd 33000009  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication and traffic--Columbia River Valley.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Columbia River Valley--Surveys.
<br/><br/><label>LC Class. No.: </label>HE630.C65  / O7