You searched for: Place Au Sable Twp. S. side of town of Oscoda. 600 ft. N. of mouth of the Au Sable Riv. on Lake Huron Remove constraint Place: Au Sable Twp. S. side of town of Oscoda. 600 ft. N. of mouth of the Au Sable Riv. on Lake Huron Topic Poales Remove constraint Topic: Poales