Haynie, Richard M., authorColorado State University Research Foundation, Civil Engineering Section, publisher2019-09-172019-09-171962-04https://hdl.handle.net/10217/197949CER62RMH27.April 1962.Prepared for Longs Peak Engineering Co., Berthoud, Colorado.Includes bibliographical references.technical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Pipe -- TestingPipe, PlasticSurface roughnessDetermination of the roughness coefficient of three sections of 2-inch polyvinyl chloride pipeText