You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Glen Twp., Cavern Lake Canyon and Cavern Lake Creek, circa 6.7 miles west-northwest of Dorion Remove constraint Place: Glen Twp., Cavern Lake Canyon and Cavern Lake Creek, circa 6.7 miles west-northwest of Dorion Place Ontario Remove constraint Place: Ontario Place Thunder Bay Remove constraint Place: Thunder Bay Topic Bryophyta Remove constraint Topic: Bryophyta Topic Dicranaceae Remove constraint Topic: Dicranaceae Topic Plantae Remove constraint Topic: Plantae