A miner was killed and another injured on Friday after a part of a tunnel roof collapsed at a coal mine in central Utah, according to Reuters. The miner died in the cave-in at the Rhino mine in Bear ...

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But Amy Louviere, a spokeswoman for the MSHA in Washington, D.C., said the mine was conducting retreat mining. She also said that exactly what the miners were doing, and whether that led to the ...