You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canyon at NW corner of Cavern L., 10 mi NNW of Dorion Station Remove constraint Place: Canyon at NW corner of Cavern L., 10 mi NNW of Dorion Station Place North America Remove constraint Place: North America Place Ontario Remove constraint Place: Ontario Place Thunder Bay Remove constraint Place: Thunder Bay Topic Hypnales Remove constraint Topic: Hypnales Topic Plantae Remove constraint Topic: Plantae