THE EE WAS TRAMMING THE MINER AND A ROCK APPROX. 50 LBS FELL FROM BETWEEN THE BOLTS, STRIKING HIM ON THE LEFT FOOT. THE EE WAS WEARING METATARSEL BOOTS. BUT SOMEHOW THE ROCK STRUCK THE UNPROTE CTED PART OF THE FOOT. THE X RAY SHOWED A FRACTURE OF THE CUBOID BONE AND WALKING CAST WAS APPLIED. RESTRICTED DUTY THREE TO FOUR WEEKS.