TWO EMPLOYEES WERE ASSAYING ENTRY #2 TO DECIDE WHETHER TO CUT THE #2 FACE OR THE X-CUT 2-3. THEY WERE GETTING READY TO WALK BACK TO THE MINER. AT THIS TIME A CONCEALED FOSSILIZED ROCK (12'LONG X 5'WIDE & 12"" TO 3"" THICK) FELL FROM THE ROOF STRIKINGE ONE ON THE BACK OF HIS HEAD, SHOULDER, LOWER BACK, HIP & BOTH LEGS. HE SUSTAINED A FRACTURE TO HIS RIGHT LOWER LEG & LEFT ANKLE.