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 ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly ...

Elizabeth Pollard, a 64-year-old grandma, was found dead in an abandoned coal mine in Unity Township, Pennsylvania on Friday ...

Abandoned coal mines in Enugu state pose environmental, life threats Enugu govt. moves to revitalize the industry, reaches N1b agreement with company Stakeholders seek end to continuation of mining, ...

A bill to make cleaning up abandoned hard rock mines easier is expected to become law after the House of Representatives ...

Credit: Illustration by Julia Wytrazek / Getty Images There are about 500,000 abandoned mines in the ... from poisonous gases present in many old coal mines." Mine shafts "can extend hundreds ...

Others left pillars of coal in place to support the roof, but they don't always prevent settling over time. The state Bureau of Abandoned Mine Reclamation will examine the scene when the search ...

dark hole where coal mining ended seven decades ago. After overnight snowfall left a thin coating on the ground, work crews were maneuvering a bulldozer and crane to excavate more earth.