MSHA

U.S. mining regulator tightens coal mines safety rules

Cecilia Jamasmie | April 4, 2012
mine disaster- candle- andy hay

As families and friends of dead miners mark the second anniversary of the Upper Big Branch Mine disaster in West Virginia on April 5, the U.S. Mine Safety and Health Administration announced it would issue its final set of rules for inspecting underground coal mines on Friday.

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