You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Thickets along Big Potato Creek, Marion Twp., ca. 9.5 mi. S. of Merrill. Remove constraint Place: Thickets along Big Potato Creek, Marion Twp., ca. 9.5 mi. S. of Merrill. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida