You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Bluffs on west side of Little Pic River, ca. 20 miles west of Marathon Remove constraint Place: Bluffs on west side of Little Pic River, ca. 20 miles west of Marathon Place Ontario Remove constraint Place: Ontario Place Thunder Bay Remove constraint Place: Thunder Bay Topic Pottiaceae Remove constraint Topic: Pottiaceae Topic Pottiales Remove constraint Topic: Pottiales Type still image Remove constraint Type: still image