Investigators looking into the mine accident that trapped nine Pennsylvania miners for more than three days were focusing on the accuracy of the map of an adjacent abandoned mine. Water from that mine ...

Municipalities in the former anthracite mining area are being offered free mining maps to assist in community planning, coping with possible natural gas pipeline placement and with mine subsidence ...

PITTSBURGH — A report released Thursday concerning the July mine accident that trapped nine workers for three days found two likely violations of state law regarding the keeping of accurate maps. But ...

The near-tragic accident in Pennsylvania illustrates a hazard that coal miners have worried about for years: Maps of many abandoned mines are inaccurate, in part because former operators voraciously ...

WILKES-BARRE – Robert Hughes stopped his maroon SUV in the middle of Espy Street, turning on his flashers to let drivers know he might be there for a while. He knelt by an uncovered hole in the street ...

Two recent coal mine accidents in Appalachia have led to calls for establishment of national standards for documentation of underground mines and for a reassessment of the state of technologies, such ...

The largest known deposit of the critical mineral fluorspar in the United States is underneath parts of far western Kentucky ...

PENNSYLVANIA, USA — Pennsylvania has a long history of anthracite coal mining. The result is that millions of buildings and homes are located above abandoned mines. Looking to see old mine maps? Penn ...

The Montepuez ruby mine in the north-east of Mozambique boasts the largest ruby asset globally and is currently valued at around $1bn. It produces some of the oldest rubies in the world, originally ...

WILKES-BARRE – Robert Hughes stopped his maroon SUV in the middle of Espy Street, turning on his flashers to let drivers know he might be there for a while. He knelt by an uncovered hole in the street ...