Crews tearing apart a 1.5-acre pile of coal mine refuse that has been smoldering for two decades recently uncovered a section ...

Coal — the rock, not the roll — is one of the dirtier fuel sources out there, with both mining and burning it often leading to serious medical complications for those involved. Now, though ...

When the project is finished, the excavation team will have moved 182,000 cubic yards of material, which is about 72,000 pickup-truck loads of coal, rock and dirt.

Colorado Department of Transportation crews are racing to complete rockfall mitigation and replace a retaining wall on U.S.