TULSA, Okla. —The Tulsa District U.S. Army Corps of Engineers will hold a ribbon cutting ceremony to reopen the Canadian “A” area campground at Canton Lake, located near Canton, Oklahoma, March 25 at 3 p.m.Brigadier Gen. David C. Hill, Commander, Southwestern Division, U.S. Army Corps of Engineers, Col. Richard A. Pratt, Tulsa District Commander