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Environmental Impacts Of Silica Mining

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201952  137 May 2015 Environmental Impacts of Industrial Silica Sand Frac Sand Mining 138 June 2015 Economic Impacts of Industrial Silica Sand Frac Sand Mining 139 September 2015 Roadway Impacts of Industrial Silica Sand Frac Sand Mining Introduction Industrial silica sand has been mined in the upper Midwest for more than one hundred

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