EE HAD WALKED UP #2 ENTRY & INTO THE BREAKTHROUGH BETWEEN #2 & #3 PILLAR BLOCKS TO WHERE A SCOOP HAD BEEN PARKED. THE FOREMAN & SCOOP OPERATOR WERE IN FRONT OF SCOOP PREPARING TO SET TIMBERS. EE CALLED OUT & ASKED FOREMAN WHERE TO MINE NEXT& FOREMAN NOTICED HIS LIGHT DISAPPEAR. EE WAS DISCOVERED WITH A ROCK(8"" H, 4'W, 6'L) ON HIM. GIVEN FIRST-AID, FLOWN TO HOSP., DIED 2 DAYS LATER.