Proceedings.
Series: Oregon State University. Engineering Experiment Station. Circular no. 45; Circular (Oregon State University. Engineering Experiment Station) ;; no. 45.
Publisher: Engineering Experiment Station, Oregon State University
Published: 1973
Place of publication: Corvallis
Language: eng
Number of pages: 150
Subjects: Roads -- Oregon -- Congresses.; Roads -- Environmental aspects -- Oregon -- Congresses.