EE WAS REMOVING DRILL STEEL FROM THE HOLE. WHILE LETTING THE HEAD DOWN A PIECE OF ROCK THAT HAD BEEN PUSHED OVER USING THE DRILL HEAD, FELL BACK UNDER THE HEAD. WHEN THE HEAD CONTACTED THE ROC K THE HEAD SHIFTED TO THE SIDE & THE EE'S INDEX FINGER WAS CAUGHT BTWN THE DRILL STEEL & THE CANOPY RING. EE CONTINUED TO WORK TILL 3/22/02 WHEN A MEDICAL SPECIALIST PLACE HIM ON RESTRICTIONS