EMPLOYEE REPORTED ROCK FELL FROM BETWEEN ROOF BOLTS STRIKING HIS LEFT SIDE AND SLIDING DOWN HIS LEFT LEG. THE ROCK WAS REPORTED TO BE ABOUT 24"" SQUARE BY ABOUT 6"" THICK. IT LANDED ON HIS LEFT FOOT CAUSING A CONTUSION TO THE SIDE OF HIS FOOT. HE WAS OPERATING THE CONTINUOUS MINER AT THE TIME. HE WAS NOT SCHEDULED TO RETURN TO WORK UNTIL 9/3/03 & HE REPORTED THE LOST TIME ACCIDENT AT