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

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

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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(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 ...

Barrick Gold Corp. and Mali are set to resume talks on resolving a monthslong dispute over the distribution of revenue from one of the world’s biggest gold mines. Negotiations between ...

New homes in Blue Sky, a subdivision built on a former coal strip mine in Hazard, Ky. As the risk of extreme flooding increases with climate change, an effort is underway to relocate hundreds of ...

Decades later, after being named the CEO of the Allegheny County Airport Authority in late 2014 ... She really put Pittsburgh [International Airport] on the map.” That kind of confidence has been a ...