You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Clearwater Remove constraint Place: Clearwater Place USA Remove constraint Place: USA Place at Iron Springs, north of State Rd. 200, circa 2 miles west of Lake Itasca Post Office Remove constraint Place: at Iron Springs, north of State Rd. 200, circa 2 miles west of Lake Itasca Post Office Topic Lichens Remove constraint Topic: Lichens