Michigan Adventure By snowjad1 Nov 5, 1979 Corkscrew Nov 5, 1988 Wolverine Wildcat Jul 7, 1994 Zach's Zoomer Nov 5, 1998 Shivering Timbers Nov 5, 1999 Mad Mouse Nov 5, 1999 Big Dipper May 17, 2008 ThunderHawk Created