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recorded observations of iron ore minning

  • Iron Ore & Global Markets. Iron Ore: Facts.

    Iron Ore & Global Markets. ... The largest iron ore producer is the Brazilian mining ... Over the past decade iron ore prices have hit record highs due to Chinas ...

  • Taconite Wikipedia

    History. In the late 19th and early 20th centuries, the United States was mining such an abundance of iron ore of high quality that taconite was considered an ...

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