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kemmana gandhi iron mines

  • Hopewell's Iron Ore Mines Hopewell Furnace National Historic Site .

    In the beginning all of the mines were open pit processes. As mining technology advanced some of the mines developed shaft operations. Without the mines and the miners to supply good quality iron ore, Hopewell Furnace would not have survived. Some of Hopewell's mines contained ore that was 40% to 50% iron,.

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  • Minnesota Iron Mining

    We Support Mining. Mining Supports Us.. The Iron Mining Association (IMA) of Minnesota promotes a healthy iron ore industry that will continue to benefit northeastern Minnesota as well as the entire state. It's an industry our communities, state and country depend on today and into the future.

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