Neighbors of the Pattison Co. quarry say the Department of Natural Resources is failing to meaningfully investigate the potential consequences on aquifers as it considers granting a mammoth water withdrawal permit.By Anika Jane BeamerThe Pattison Co. quarry in Garnavillo, Iowa, pumps nearly 1 billion gallons of groundwater each year, pulling it from the bedrock in order to mine limestone, sandstone and silica sand used in oil fracking. 

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