Below: The Cleveland-Cliffs Shaft Mine in Ishpeming is unique for its Egyptian Revival-style shaft houses of concrete (1919). The iron mine had the longest record of production of any in the Lake Superior region, opening in 1848 and closing in 1967, with a total estimated lifetime production of over 28 million tons of high-grade ore. (Jet Lowe photo)
BELOW: The Champion #4 Shafthouse (1902) in Painesdale is the focus of a community preservation project. (Jet Lowe photo)
BELOW: The Eagle Harbor Lighthouse (1851) is operated as a musuem by local volunteers. (Patrick Harshbarger photo)
