There are about 500,000 abandoned mines in the United States ... While there are obvious safety risks associated with these old mines, experts are also sounding the alarm on environmental factors ...

Old mines pose myriad dangers, with 381 people killed and 152 injured at abandoned mine sites nationwide between 2000 and 2013, according to the U.S. Bureau of Land Management. In many cases ...

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 ...

Nevada, with the most abandoned mines of any state in the nation, is likely to benefit from at least a few of the 15 proposed cleanups, said Rob Ghiglieri, administrator of the state Division of ...

on his property near the entrance of an old ore mine. “This is a very real and scary issue. I’m hoping that Route 80 will bring this issue back to light,” Morris said. Abandoned mines are ...

Arizona is giving researchers more time to study the risks from thousands of old, abandoned mines across the state.