You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Onion lake high water lake level at N. end of lake, 2 km. W. of H. 527 Remove constraint Place: Onion lake high water lake level at N. end of lake, 2 km. W. of H. 527 Place Thunder Bay Remove constraint Place: Thunder Bay Topic Lycopodiales Remove constraint Topic: Lycopodiales Topic Lycopodiopsida Remove constraint Topic: Lycopodiopsida Type still image Remove constraint Type: still image