when did mining start in minnesota

  • A very brief history of mining on the Cuyuna Iron Range

    A very brief history of mining on the Cuyuna Iron Range district about ninety miles west of Duluth in central Minnesota. Iron mining in the district the furthest south and west of Minnesota

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  • The History of 3M From Humble Beginnings to Fortune 500

    More than a century ago 3M started as a smallscale mining venture in Northern Minnesota then named Minnesota Mining and Manufacturing Company. Now a global powerhouse our products improve the daily lives of people around the world. But our success and longevity were not apparent from the start. We tried. We failed. We tried something new.

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  • Minnesota mining history Minnesota DNR

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  • Iron Range

    Hoyt Lakes Minnesota (pop. 1 888) is the located on Eastern Mesabi Range. Erie Mining Company previously mined ore and there is currently ongoing testing to mine new minerals. Kinney (pop. 169) is an old mining boomtown on the Iron Range located between Buhl and Mountain Iron.

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  • Minnesotans opposed to new mining near Boundary Waters

    Minnesota voters overwhelmingly oppose new mining near the Boundary Waters Canoe Area Wilderness according to a new Star Tribune/MPR News Minnesota Poll. Statewide 60% of registered Minnesota

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  • Mining in Minnesota Minnesota DNR

    Today only the Mesabi Range still has iron ore/taconite mining taking place. Clay is mined in the Minnesota River Valley. Clay is used in making bricks porcelain tiles and medicines. Companies are currently exploring Minnesota for higher grade kaolin (KAYalin) clay which is a fine white clay used to add a glossy look to paper.

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  • Taconite Minnesota DNR

    Dr. E.W. Davis of the University of Minnesota along with other scientists and engineers conducted years of laboratory tests and experiments to find a way to take the iron ore out of the taconite rock. After many years of hard work a process was developed to create taconite pellets. Taconite saved Minnesota's iron ore mining industry.

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  • Mining and mineral resources of Minnesota Minnesota DNR

    Q Who regulates sand and gravel mining? What permits are required? A In Minnesota gravel mining operations are generally under the jurisdiction of local government. The township city and/or county in which the operation is located may have specific regulations for development operation or

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  • Minnesota Iron Iron Mining History

    Minnesota has the largest deposits of iron ore in the United States and northern Minnesota has been mining iron ore for 130 years (26 years after Minnesota became a state in 1858). The majority of iron mined is used to make steel which has been used to build infrastructure appliances vehicles and so many other things that make our modern

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  • Minnesota Supreme Court upholds Winona County ban on frac

    In a longawaited decision with the potential to shape the sand mine industry statewide the Minnesota Supreme Court on Wednesday let stand a

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