Summary
WASHINGTON -- A $1 million federal study on retreat and pillar mining could be on its way, if an amendment proposed Friday by Utah's Sen. Orrin Hatch and Sen. Bob Bennett is approved.
While it is not clear if retreat mining played a role in the accidents at the Crandall Canyon mine in August, the tragedy has brought more discussion of the practice to Capitol Hill. The Aug. 6 mine collapse trapped six miners, and their bodies were not recovered. Three rescuers died several days later trying to reach them.See the full content of this document
Extract
Utah Senators Push Mine Study
In retreat mining, also know as room-and-pillar mining, pillars of coal hold up an area of a mine's roof and then are removed to cause intentiona...
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