Main Content Act 320 of 1947 friendly link printer friendly bills affecting mcl index link Search within this Statute for MICHIGAN STATE WATERWAYS COMMISSIONAct 320 of 1947281.501-281.511 Repealed. 1959, Act 237, Imd. Eff. Aug. 12, 1959;—1987, Act 221, Eff. Mar. 30, 1988;—1995, Act 58, Imd. Eff. May 24, 1995.