EE WAS CLEANING OFF A DRILL PAD WITH D11 DOZER WHEN HE DROVE OVER THE BERM LANDED ON THE SHOT ROCK APPROX. 18-20' BELOW. THE BLADE CAUGHT IN THE ROCK CAUSING IT TO FLIP OVER ONTO THE ROLLOVER PROTECTIVE STRUCTURE. EE WAS REMOVED FROM THE CAB BY EMERGENCY PERSONNEL AND TRANSPORTED BY AMBULANCE TO THE HOSPITAL. HE WAS EXAMINED AND A CT SCAN WAS DONE OF HIS HEAD WHICH WAS NEGATIVE. HE