EE STATED WHILE IN THE PROCESS OF DRILLING OUTSIDE HOLE IN #2 LEFT CROSSCUT, WAS ADDING A PIECE OF DRILL STEEL WHEN A ROCK FELL FROM THE TOP STRIKING HIM ON HIS LEFT HAND CATCHING HIS MIDDLE FINGER BETWEEN ROCK AND DRILL POT. EE SUSTAINED AN AVULSION AND FRACTURE TO THE TIP OF HIS MIDDLE FINGER. EE WAS WEARING METACARPAL GLOVES.