TY  - BOOK
ED  - University of Oregon.
TI  - Columbia river valley traffic survey
T2  - Its Studies in business,
AV  - HE630.C65 O7
PY  - 1931///]
CY  - Eugene [Ore.]
PB  - The University
KW  - Communication and traffic
KW  - Columbia River Valley
KW  - Surveys
N1  - At head of title: The University of Oregon. School of business administration. Bureau of business research
ER  -