In longwall mining, a machine burrows into a coal seam, making a tunnel as its removes the coal. Workers operate the machine from outside the tunnel.

Warrior Met Coal, Inc. (NYSE:HCC) ("Warrior" or the "Company") today announced that its board of directors has approved a ...

The current purchase would include RAG's Twentymile mine near Steamboat Springs, Colo. The "longwall" underground mine produces about 7.5 million tons of coal annually.

Forty kilometres from the front line of the war in Ukraine, vertically integrated mining and metals company Metinvest has commissioned its eleventh longwall for coking coal in Block 10 of the ...

CAMERON, W.Va. — As longwall mining becomes an increasing concern near Cameron, the city clerk is preparing residents for what may come. “I just want them to be responsible for their actions ...

He’s cut his teeth in underground mining in the Kelley Mine in Butte. The class isn’t designed just to give college kids a swift kick-in-the-pants of hard knocks learning.