Collection Scope and Contents From the Collection: The collection consists of project files, reprints of articles, technical reports, student term papers and projects, correspondence, photographs, maps, drawings, etc., compiled by J. W. Johnson during his career as a professional consulting engineer and professor of hydraulic engineering. Includes material relating to wave studies, littoral drift, sedimentation, flow of water, hydroelectric plants, harbors, breakwaters, jetties and other hydraulic structures, navigation channels, and...