You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place N edge sec. 23, Wawatam Tp., ca. 2 mi. SW of Mackinaw City. Remove constraint Place: N edge sec. 23, Wawatam Tp., ca. 2 mi. SW of Mackinaw City. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida