EE WAS REPLACING A MANHOLE COVER BY PUSHING IT IN PLACE W/HIS FOOT. HE FAILED TO NOTICE THE PRY BAR THAT HE HAD USED TO PRY OPEN THE MANHOLE COVER WAS STICKING INTO THE OPENING. AS MANHOLE COV ER FELL INTO PLACE, IT STRUCK THE PRY BAR & FLIPPED IT UP. PRY BAR STRUCK EE ON LEFT SIDE OF FOREHEAD, CAUSING A LACERATION THAT REQUIRED 13 SUTURES TO CLOSE. NO LOST TIME OR RESTRICTIONS.