A professor and group of student researchers at the University of Wisconsin at Eau Claire claim they found elevated particulate levels associated with frac-sand mining. Although their studies didn’t ...

Frac sand production has increased seven-fold in the past decade, according to the United States Geological Survey. Thomas Dolley, a mineral commodity specialist at the USGS, said he can’t divulge ...

MADISON (AP) — Some energy producers are still willing to pay more for Wisconsin’s high-quality fracking sand despite increasing competition from Texas producers. Mining industry publications estimate ...

Despite new competition, Wisconsin’s frac sand industry has come roaring back from a slump that idled mines two years ago, fueled by a continued surge in domestic crude oil production. “They can ...

No one is drilling for oil or gas amid the gently rolling farmland and wooded ridges of western Wisconsin. But the same battles over jobs, public health and the environment that have erupted in ...