Restoring Both Land and Lives Pennsylvania sits atop the largest inventory of abandoned coal mines in the U.S., with nearly 288,000 acres left degraded from past mining activities. These scars on ...

That Pennsylvania coal provided warmth and ... digital and GIS mapping of abandoned mines, Srinivasan said. They also have tested ways of using satellite imagery to gauge ground instability ...

Many families in Pennsylvania have a similar story: a father, grandfather or great-grandfather who worked in the coal mines.

PENNSYLVANIA, USA — Pennsylvania has a long history of anthracite coal ... mine map for. CLICK on the map, and the MINE MAPS FOUND pop-up window will open. In the MINE MAPS FOUND pop-up, CLICK ...