TWO EMPLOYEES WERE TAKING A GUARD OFF THE CONTINUOUS MINER WHEN A PIECE OF ROCK FELL OUT FROM BETWEEN THE HEADERS AND HIT ONE EMPLOYEE ON THE HEAD, SLID OFF AND HIT HIS RIGHT FOREARM. THE ROCK MEASURED 22"" LONG, 15"" WIDE, 3/4"" THICK. THE INJURY TO THE EMPLOYEE RESULTED IN A LACERATION TO THE RIGHT FOREARM WHICH REQUIRED SUTURES TO CLOSE.