THE EMPLOYEE, A SECTION FOREMAN WAS PRESHIFTING THE BELT/TRACK ENTRY FOR THE ONCOMING SHIFT. AS HE WAS TRAVELING THE TRACK ENTRY AND STARTED DOWN AN INCLINE, APPROX 3-4 BREAKS INBY THE DRIFT MOUTH A SLATE BAR THAT HAD BEEN LEFT ON TOP OF THE PERSONNEL CARRIER SLID FORWARD, STRUCK A PROP SET ALONG THE BELT. THE BAR HIT EE'S LEFT ARM BREAKING IT & CUT UPPER LIP REQUIRING 7 STITCHES.