You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Oscoda Twp. T24N, R9E, Sec. 31 SE1/4 1/2 mi. N. River Rd. at Eagle Run Natural Area ca. 3 mi. west of Oscoda. Remove constraint Place: Oscoda Twp. T24N, R9E, Sec. 31 SE1/4 1/2 mi. N. River Rd. at Eagle Run Natural Area ca. 3 mi. west of Oscoda.