EMPLOYEE WAS WORKING ON #1 KILN STONE INCLINE FEED BELT SKIRTING. AFTER COMPLETING THE JOB HE WALKED DOWN THE SOUTH STAIRWAY. A FEW FEET AWAY FROM THE STAIRS, HE STEPPED ON A STONE WITH HIS RI GHT FOOT AND TWISTED HIS ANKLE. AFTER GOING TO THE DOCTOR, HE WAS TOLD IT WAS FRACTURED.