While there is no single "official" file with this exact name, search results suggest it may be a collection of technical white papers, journal articles, or engineering manuals similar to those published by the Western Dredging Association (WEDA) or the U.S. Army Corps of Engineers (USACE) . Common Topics in Dredging Technical Papers Collections of papers on "Dredgers" typically cover: White Paper - Dredging Activities: Marine Issues
