MADISON, Wis. (AP) — A state appeals court on Thursday refused to reinstate a permit for a proposed $75 million frac sand operation in western Wisconsin, a victory for environmentalists who have been ...

Jay Zambito explains the qualities that make Wisconsin’s sand valued as frac sand. Jay Zambito, Assistant Professor, Geoscience, Wisconsin Geological and Natural History Survey, explains what frac ...

In a clash of old and new industries, Wisconsin frac sand producers say their business is threatened by a handful of railroads operating under outdated regulations. Wisconsin produces about a third of ...

A draft report of a strategic analysis of the mining of industrial silica sand, also called “frac sand,” was released in June 2016 by the Wisconsin Department of Natural Resources (DNR). The study ...

ST. PAUL, Minn. -- Doug Losee can sum up the differences between Minnesota's and Wisconsin's frac sand mining regulations by describing how much room the two states' environmental studies take up in ...

WHITEHALL, Wis.WHITEHALL, Wis. — Forty landowners in western Wisconsin are suing two frac sand mines that they claim are inundating their homes with dust, polluting their wells with sediment and ...

Dogged by low oil prices, Wisconsin’s once-booming frac sand mining industry is down but not out. An industry trade magazine will host a two-day conference next week in La Crosse where the goal is to ...

EAU CLAIRE, Wis.EAU CLAIRE, Wis. — Wisconsin’s frac sand industry is grappling with several idled mines as the sector faces increased competition in Texas and Oklahoma. Kent Syverson, a geology ...

Western Wisconsin counties bordering the Mississippi River have a unique geography: steep bluffs with layers and layers of silica sand. The sand is extremely valuable because it's strong enough to ...

Outside this city of 1,300, Preferred Sands turns Wisconsin’s sandy soil into a hot commodity. A wall of green trees opens to a vast expanse of sand buzzing with activity. Excavators mine and ...