The incident illustrates lack of local oversight at the beginning of shale gas extraction cycle Deirdre Fulton Wisconsin regulators have shut down a frac sand mine for operating without a permit, dumping polluted wastewater into an unlined pond, and generally “running wild,” as one county official put it. The 1,600 acre-Guza Pit mine is located … Continue reading Regulators Shut Down Toxic Fracking Sand Mine They Say Was ‘Running Wild’