FALL OF ROOF OR BACK at Muhlenberg County Coal Resources, Inc.
Employee was mining the face of #12 entry at spad 16+50 on the #1 unit when a piece of rock 2'x8'x3"" fell between the rib pin and rib striking EE in the left ribs and back. There were no signs of loose rock or any other hazards in the #12 entry.
U.S. Mine Safety and Health Administration