 It was the first Koep Hoist built in the Western Hemisphere.The site also includes the single-story stone boiler house and engine house (1880), the single-story brick dry house (1901–02), a laboratory (c. 1917), a brick blacksmith shop, and the brick mine office building.Underground, the Cliffs Shaft Mine was one of the largest iron mines in Michigan, containing of tunnels running to depths of .