EE & COWORKERS WERE IN THE PROCES OF RECOVERY SHIELDS FROM THE LONGWALL FACE WHEN THE ACCIDENT OCCURRED. AFTER RECOVRING SHIELD 359M THEY WERE IN THE PROCESS OF BUILDING THE SECOND ""LINK-N-LOC K"" CRIB WHEN A PIECE OF ROCK MEASURING 36"" X 36""X 17"" FELL. THE ROCK STRUCK THE CRIB THEN HIT EE ON THE BACK & DRIVING HIM TO THE GROUND WHERE HIS RIGHT ELBOW STRUCK THE MINE FLOOR. XRAYS REV