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Silica sand mining has drawn widespread condemnation among environmentalists and others since energy companies discovered it helps extract oil and ...

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Silica sand is made from small, hard, round quartz rock mined for decades in southern Minnesota and Wisconsin for window glass

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Tony Runkel of the Minnesota Geological Survey discusses sand deposits and mining operations in the state. Local communities currently determine the fate of ...

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None of the very few rules applied to sand mining by the state's Department of Natural Resources (DNR) limit how much silica gets into the...

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As the demand for quartz sand has become greater, silica sand mining is very popular with investors. But how to choose the silica sand mining equipment...

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