You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place along path on N. shore of Au Sable Riv. 300 ft. W. of Rea Rd. Bridge W. of Oscoda. Oscoda Twp. Remove constraint Place: along path on N. shore of Au Sable Riv. 300 ft. W. of Rea Rd. Bridge W. of Oscoda. Oscoda Twp.