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$Lycaeides / Earth / Hydraulic fracturing / Lupinus perennis / Lupinus / Lycaeides melissa / Sand mining / Oil well / Natural gas / Endangered species / Environment / Karner Blue$	WI DEPARTMENT OF NATURAL RESOURCES FRAC SAND ISSUE BRIEF January 12, 2012 BACKGROUND Frac sand is silica sand (silicon dioxide primarily quartz). Wisconsin frac sand is unique due to its size, uniform roundness and hardn Add to Reading List Document Date: 2014-06-05 19:47:14 Open Document File Size: 2,09 MB Share Result on Facebook

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WI DEPARTMENT OF NATURAL RESOURCES FRAC SAND ISSUE BRIEF January 12, 2012 BACKGROUND Frac sand is silica sand (silicon dioxide primarily quartz). Wisconsin frac sand is unique due to its size, uniform roundness and hardnAdd to Reading List