You searched for: 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 Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Woodsiaceae Remove constraint Topic: Woodsiaceae