coal was mined in nearly half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards that officials say can arise at any time. There are as ...

But the old mines also left behind a legacy of trouble for today’s Westerners. Abandoned mines dot the Western landscape, polluting the region’s streams with acid mine drainage and connecting the ...

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 ...

Without programs provided by NIOSH, people in the mining industry and researchers are scrambling to find what else can be done to serve coal miners in our region.