FALL OF ROOF OR BACK at Kingwood Mining Company LLC
SOUTH 4, 2 HEADING, #8 BLOCK, 4-WAY, MMU 005. 20'LONG X 18'WIDE X 8'HIGH. TYPE OF SUPPORT: 12'CABLE, 6' 3/4""RESIN - 8""X 8"" PLATES, ROOF MATS. DANGERED OFF, ADDITIONAL ROOF SUPPORTS SET AROUN D FALL.
U.S. Mine Safety and Health Administration