EMPLOYEE WAS IN THE PROCESS OF ROOF BOLTING ON THE #004 CONTINUOUS MINER SECTION, #8 ENTRY. WHEN A PIECE OF DRAW ROCK SUDDENLY FELL MEASURING APPROX 30""X30""X3"" STRIKING HIM ON THE LEFT HAND, CAUSING A PARTIAL AMPUTATION TO THE DISTAL DIGIT OF THE LITTLE FINGER. THE DISTAL DIGIT WAS SURGICALLY REMOVED LATER THAT DAY