FALL OF ROOF OR BACK at Lone Mountain Processing LLC
A roof fall was discovered on this date. The fall was located in a crosscut at break #10 between the #4 and #5 entries, on L-3 left panel. The fall measured 20' by 20' and was 8' in thickness. The area was originally supported with 6' torque tension bolts. The fall was cleaned up and re-supported. There were no workers involved nor was ventilation affected.
U.S. Mine Safety and Health Administration