Pennsylvania is home to one-third of the nation's abandoned land mines, the state Department of Environmental Protection said. Anyone who sees any kind of depression in the ground or sinkhole ...

But, today, that mining has hollowed out the ground beneath us. Pennsylvania’s inventory of abandoned coal mines is larger than that of any other state in the nation, and the Keystone State has ...

UNITY TOWNSHIP, Pa. (KDKA) - The Westmoreland County Coroner ... shoring up, and searching an abandoned coal mine behind Monday's Restaurant on Marguerite Road. State police informed Pollard's ...