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$Matter / Geography of the United States / Hydraulic fracturing / Silicon dioxide / Soil / Quartz / Sand casting / Chemistry / Sand / St. Peter Sandstone$	Silica Sands of Minnesota Add to Reading List Document Date: 2014-04-02 16:16:52 Open Document File Size: 725,50 KB Share Result on Facebook

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Silica Sands of MinnesotaAdd to Reading List