Sand mines create jobs, concerns – Milwaukee Journal Sentinel
August 14, 2011 by sgtwak
Filed under Home business news
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Sand mines create jobs, concerns
Milwaukee Journal Sentinel But instead of roustabouts and oil rigs, the region is moving big into the business of sand – a special type that's used to extract oil and natural gas from hard-to-reach subterranean deposits. At least 20 sand mines and sand processing plants that … |
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