Boulder Open Space and Mountain Parks personnel took over the Marshall Mesa Coal Fire Mitigation Project area on Thursday, a ...

Money from a $4.5 million settlement with U.S. Steel is making its way to communities in the Mon Valley through projects ...

Allegheny County Employees Retirement System, Pittsburgh, terminated its investments with emerging managers EmStone Partners ...

A mine safety expert says many old mines in Western Pennsylvania have less than 50 feet of ground cover between the mine and ...

Before this year, Erie County has also bought up to 150,000 tons of salt from Compass Minerals, which is headquartered in Kansas but has an active salt mine in Hamilton, Ont. After the Buy ...

“A lot of Allegheny County ... connected to the mining history of the area than any other I’ve seen.” The Westmoreland Coal Company began mining in Westmoreland County in 1854.

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Surface-level interactive displays at the National Coal Mining Museum take visitors back in time. Council leader Andrew Morgan says his officers were cleaning up debris in the wake of storm Dennis.

(TNS) — In the five years between Neiswonger Construction first pursuing a permit to build an underground limestone mine in Washington County and earlier this month — when Pennsylvania regulat ...

LAWRENCE COUNTY, Ky. (WCHS) — Emergency personnel in Lawrence County, Kentucky, said a coal spill has impacted travel along U.S. 23. Dispatchers said about 2:40 p.m. Tuesday, a cargo truck lost ...