You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Keweenaw Remove constraint Place: Keweenaw Place Manganese River gorge, 0.75 mi SE of Copper Harbor Remove constraint Place: Manganese River gorge, 0.75 mi SE of Copper Harbor Place North America Remove constraint Place: North America Topic Grimmiaceae Remove constraint Topic: Grimmiaceae Type still image Remove constraint Type: still image