POWDERMAN WAS LOADING A FACE IN THE MINE WHEN A PIECE OF ROCK SLID DOWN THE FACE AND CUT HIS RIGHT ARM ABOUT 2"" ABOUT THE WRIST. THE CUT WAS ABOUT 1 1/2"" LONG AND SEVERED A TENDON. THE ROOM HA D BEEN SEALED WITH SCRATCH MARKS ON THE FACE ON ABOUT 6"" CENTER. LOOSE MATERIAL HAD BEEN REMOVED PRIOR TO THE POWDERMAN STARTING WORK.