LYNXVILLE, Wis. – The U.S. Army Corps of Engineers, St. Paul District, performs winter maintenance at Lock and Dam 9, near Lynxville, Wisconsin Jan. 26. The district performed the rehabilitative work to ensure the lock continues providing safe, reliable navigation to industry and recreation enthusiasts. The maintenance happens on an approximate 20-year cycle at each of the district’s 13 locks. The work is expected to be completed by March 12.