You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place .7 miles from junction of Rt. 41 and Cliff Mine Rd., Cliff Copper Mine. Remove constraint Place: .7 miles from junction of Rt. 41 and Cliff Mine Rd., Cliff Copper Mine. Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Plantae Remove constraint Topic: Plantae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Woodsia Remove constraint Topic: Woodsia