Colorado State University. Department of Civil Engineering, authorCollege of Engineering, Colorado State University, publisher2019-09-172019-09-171969-07https://hdl.handle.net/10217/197934CER68-69DBS40.July 1, 1969.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.Engineering -- BibliographyEngineering -- Research -- BibliographyText