In an effort to protect visitors and employees from impending freezing rain and snow, all U.S. Army Corps of Engineers (USACE) recreation areas, including boat ramps, day use areas, hunter fishermen access areas, firewood cutting areas, David C. Berti shooting range, Frank Russell archery park, M.W. Boudreaux Memorial Visitor Center and Project Office at Mark Twain Lake will be closed during the expected weather event.