ASSOCIATE WAS CLEANING LOKO TRACK HOPPER BRIDGE WHEN LARGE ROCK ROLLED OUT OF HOPPER HITTING HIS LEG. HE DIDN'T THINK IT WAS THAT SERIOUS AT THE TIME. HOWEVER, A WEEK LATER IT WAS STILL BOTHER ING HIM. HE WENT TO THE DOCTOR ON 8/19/03 AND LACERATION WAS INFECTED.