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August 14, 2012
MSHA focuses on rib control during 2012 outreach effort

MSHA will again focus its annual mine roof control program on ribs. In 2011, fatal rib roll accidents in underground coal mines outnumbered more typical fatal roof fall accidents. As recently as June, a coal miner in Kentucky was killed when a rib roll crushed him.

Roof control in underground mines involves securing the top as well as the sides of travel ways, or walls, which are referred to as “ribs.” “Rib failures pose as much of a danger as the more typical fall accidents …” said MSHA Administrator Joseph A. Main.

During the roof control push, the MSHA inspectors will distribute information to employers and miners about rib dangers and ways to address them. Materials are posted at

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