You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Minnesota Remove constraint Place: Minnesota Place Skibo Mill, 10 miles southeast of Hoyt Lakes near St. Louis River Remove constraint Place: Skibo Mill, 10 miles southeast of Hoyt Lakes near St. Louis River Place St. Louis Remove constraint Place: St. Louis Topic Lichens Remove constraint Topic: Lichens Type still image Remove constraint Type: still image