QUARRY TRUCK DRIVER WAS CLIMBING DOWN THE LADDER OF THE TRUCK TO FUEL UP. WHEN HE STEPPED DOWN ONTO HIS LT. FOOT HE FELT A SHARP PAIN. HE CONTINUED TO WORK, REPORTED THE INCIDENT & WORKED THR U 6/9/03 WHEN HE REQUESTED HELP DUE TO CONTINUING PAIN WITH HIS LT. FOOT. ON TREATMENT WITH X-RAY A FRACTURE WAS DISCOVERED AND RESTRICTED DUTY BEGAN 6/10/03 UNTIL THE FRACTURE HEALS.