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 ...

Since Tuesday, had been digging, shoring up and searching the abandoned coal mine that was below the sinkhole. The massive effort took about 80 hours and involved more than two dozen fire ...

The Unity sinkhole investigators suspect a woman fell into late Monday could be the result of an abandoned mine, according to the state Department of Environmental Protection. The DEP’s Bureau ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That’s what searchers in ...

There are as many as 500,000 abandoned mines nationwide — far outnumbering those that are still active, according to the federal Mine Safety and Health Administration. They dot the landscape of ...

An abandoned coal mine is too unstable and unsafe for rescuers looking for a 64-year-old Pennsylvania woman who may have been swallowed by a sinkhole. Swaths of Pennsylvania and many other states ...

The coal seam in the area is about 20 feet (6 meters) beneath the surface. The state Bureau of Abandoned Mine Reclamation will examine the scene when the search concludes to see if the sinkhole ...

UNITY TOWNSHIP, Pa. (KDKA) -- The abandoned mine where search and rescue efforts are underway to find a missing woman who fell through a sinkhole is becoming compromised and unsafe, Pennsylvania ...