You searched for: 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. Topic Schizachne Remove constraint Topic: Schizachne