Grand Duchy of Luxembourg
Two brothers, Charles and Jules Collart, secured a concession in 1881 to mine iron ore at the foot of the Katzenberg in the Grand Duchy of Luxembourg.
Iron mine
For the construction of the Eiffel Tower for the 1889 World’s Fair in Paris, Gustave Eiffel had to source 7,000 tons of iron, iron he found near Nancy in the French region of Lorraine.
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