EE HAD JUST ARRIVED ON THE #1 SECTION & WAS STANDING IN THE SPAD #2656 MIDDLE OF THE #4 RT. X-CUT ONE BREAK INBY THE FEEDER. WHILE TALKING TO THE SCOOP OPERATOR A PIECE OF DRAW ROCK APPROX. 40 ""X 33""X 1-1 1/2"" FELL FROM BETWEEN THE MIDDLE BOLTS DRIVING HIM TO THE MINE FLOOR. HE WAS TRANSPORTED TO HOSP. WHERE X-RAYS WERE NEGATIVE. SCHEDULED FOR PHYSICAL THERAPY FOR SORE BACK.