THE INJ EE STUCK HIS RIGHT HAND THRU A 6"" INSPECTION PORTAL LOCATED ABOVE A SLAT FEEDER TO DISLODGE BRIDGED OVER COAL. WHEN HE DISLODGED THE COAL A LARGE FLAT ROCK FELL WITH THE COAL & STRUCK HIS RIGHT INDEX FINGER. THE FINGER WAS CUT & 4 STITCHES WERE NECESSARY. THE TIP OF HIS RIGHT INDEX FINGER ALSO REC'D A HAIRLINE FRACTURE