Prosser, F. K.2016-05-232016-05-231912http://hdl.handle.net/10919/71199no abstract provided by author14 leavesapplication/pdfen-USCreative Commons Public Domain Mark 1.0LD5655.V855 1912.P767Manholes -- Design and constructionStudy and design of collapsable forms used on sewer system at Blacksburg, VirginiaThesis