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The above photo is posted at Breitbart.com, and it is accredited to "Getty Images".
Full article at Breitbart.comThe (American state of Wisconsin) is the largest producer of industrial sand in the U.S. For decades, small scale sand mines provided sand to glassmakers, cranberry farmers, and chemical manufacturing. But demand for Wisconsin sand soared in recent years thanks to hydraulic fracturing, or fracking, which involves blasting water, sand, and chemicals into rock to extract oil and natural gas.
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