Columbia river valley traffic survey University of Oregon Bureau of Business and Economic Research. creator text oru Eugene [Ore.] The University [1931] 1931 monographic eng
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16 p. incl. tables, diagr. 26 cm. At head of title: The University of Oregon. School of business administration. Bureau of business research. Columbia River Valley Surveys Communication and traffic Columbia River Valley HE630.C65 O7 University of Oregon studies in business ; no. 10 University of Oregon. Bureau of Business and Economic Research. Publication. Business administration series ; v. 2, no. 3 University of Oregon. cd 33000009 DLC 800415 20260227111146.0 cd 33000009