You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alcona Twp. On N. side at mouth of the Black Riv. On Lake Huron ca. 16 mi. S. of town of Alpena. Remove constraint Place: Alcona Twp. On N. side at mouth of the Black Riv. On Lake Huron ca. 16 mi. S. of town of Alpena. Topic Salix Remove constraint Topic: Salix