
The Neuves-Maisons mine or Mine du Val de Fer or Mine Maron-Val de Fer The Val de Fer mine is an iron ore mine with entrances at Neuves-Maisons, Chaligny and Maron, in the Meurthe-et-Moselle department of Lorraine. It operated from 1874 to 1968, and was described as an "underground city". Various trades were employed here: miners, tracklayers,...






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