Cliffs Shaft Mine Museum We offer an underground tour of the mine, which takes guests 2341 toes beneath the surface, after which 3/four of a mile to the stope area. The Michigan Iron Industry Museum highlights the state’s iron mining industry, which has flourished for greater than 125 years. http://2-069247.blog-mall.com/7786975/is-coal-more-dangerous-than-other-kinds-of-mining