A microphone lowered into a narrow hole drilled into a mine cavity where six workers are believed to be trapped has detected no sound so far, officials said early Friday. There has been no communication with the six miners since Monday's mine collapse.The 2.5-inch bore hole reached the cavity in the central Utah mine more than 1,800 feet below the surface about 10 p.m. MT Thursday (midnight ET), said Richard Stickler, assistant secretary of the Department of Labor for mine safety and health.
Bob Murray, CEO of Murray Energy Corp., said no conclusions could be drawn yet from the lack of sound detected.
"The fact that we have not picked up any sound I believe should not be interpreted as bad news," Murray said. He said the "good news" is that the drill found the cavity.
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