A frac sand mine run by Superior Silica Sands in Wisconsin, the nation's largest frac sand producer. Neighboring Minnesota is the fourth-largest producer of silica sand. The town of Winona has the ...
A pumpjack and a Yellowjacket Oilfield Services fracking rig sit next to Highway 191 in Midland County. (Odessa American File Photo) Except for the oil and natural gas themselves, one of the ...
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