WHILE SERVICING HIS EQUIPMENT IN THE PREDAWN TIMEFRAME, THE INJURED WALKED 9 FOOT AWAY FROM THE DRILL AND STEPPED OFF THE EDGE, SLIDING 6 FT AND THEN FALLING 18 FT. BROKE HIS RIGHT WRIST LEFT FOREARM, AND HIS JAW. HE WALKED OUT OF THE PIT TO THE SURFACE LEVEL, WAS LIFEHIGHTED TO THE HOSPITAL AS A PRECAUTION.