EE WAS LEANING AGAINST A BATTERY POWERED COAL HAULER, LOCATED JUST INBY THER RATIO FEEDER. HE WAS SUPPORTING HIMSELF WITH HIS RIGHT HAND AGAINST THE TOP EDGE OF THE COAL HAULER BED WHEN A PIEC E OF ROCK FELL OUT FROM BETWEEN THE ROOF BOLTS SMASHING HIS 2, 3, 4, FINGERS RIGHT HAND BETWEENTHE EDGE OF THE COAL HAULER AND THE ROCK. FRACTURES WERE RULED OUT, HAD SOFT TISSUE INJURIES.