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What year did iron ore minning start in minnesota?

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  • What year did iron ore minning start in minnesota?


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Information on mining taconite, a low grade iron ore, in Minnesota from ... conducted years of laboratory ... Taconite saved Minnesota's iron ore mining ...
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Positive: 91 %
Minnesota mining history ... Iron Ore. Minnesota's iron ore was actually discovered while ... The worst mining disaster in Minnesota happened in 1924 on ...
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Positive: 88 %

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By William S. Kirk Domestic survey data ... mining operation on the Minnesota Iron Range, ... of Western Australia’s iron ore mining industry would weaken
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Positive: 91 %
Hematite was mined for many years in the Valley and Ridge area of central and northeastern Alabama. The mining of ... Iron ore mining in the state ...
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Positive: 86 %
Additional information on iron ore mining, ... accounting for about 90% of all metal used each year. About 60% of iron and steel products are used in ...
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Positive: 72 %
... of the region are not associated with iron ore mining. ... the Iron Range in Minnesota ... The town recently celebrated its centennial year and ...
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Positive: 49 %

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