Location: Ironwood, MI - Mine Caving Area South of Downtown

Mining in the valley south of Ironwood caused a caving area which was several miles long. Over time, there were a dozen mines along this corridor and some had as many as a dozen mine shafts, removing iron ore. Eventually, the ground caved in along the corridor. This resulted in moving railroad tracks, as is shown in the attached photo.

Image info: Top, the Ironwood caving area south of downtown near the Aurora Vaughn shaft "F" at the upper left. This 1889  image, showing mine headframes and railroad tracks and a short passenger train which is likely a pay car for railroad employees. 2nd image, a 1886 "bird's eye" view of Ironwood. The caving area is in the back of the photo.

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Time Line