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

The company also abandoned a proposal to pile ... Talon’s Tamarack Mine is only the third hardrock mining proposal to reach environmental review in Minnesota. Two other projects near Babbitt ...

There are about 500,000 abandoned mines in the United States, according to the Mine Safety and Health Administration, and these long-forgotten facilities can pose a variety of risks to people ...

No vehicles crashed and no one was injured when the remains of the long-abandoned mine crumbled. But, for many, the sinkhole provided a sudden, alarming awareness that New Jersey is home to long ...

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 ...