FALL OF ROOF OR BACK at Lone Mountain Processing LLC
A roof fall occurred on 3-North-1 Mains, #2 entry, crosscut #9. The fall measured 20' by 20' and was 9' in thickness. The area was originally supported with 5' Hi-Tech bolts, truss bolts, cribs and beams. There were no injuries and the escapeway was re-routed. The fall will be cleaned up and re-supported.
U.S. Mine Safety and Health Administration