You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Maple Riv. Twp. 200 ft. N. of Maple River Bridge on US-31 1/2 mi. S. of town of Pellston. Remove constraint Place: Maple Riv. Twp. 200 ft. N. of Maple River Bridge on US-31 1/2 mi. S. of town of Pellston. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida