Sand mining surges in Wisconsin

The new boom, costs unknown:

….land rush — call it a sand rush — fueled by exploding nationwide demand for fine silica sand used in hydraulic fracturing. In this process, nicknamed “fracking,” sand, water and chemicals are blasted into wells, creating fissures in the rock and freeing hard-to-reach pockets of oil and natural gas.

Via Photo: Jason Smathers/Wisconsin Center for Investigative Journalism.

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