EE WAS FOUND IN CAB OF DRILL SLUMPED OVER IN SEAT, WITH NO RESPONSE. HELP WAS CALLED AND CPR COMMENCED. EE WAS PLACED IN BED OF TRUCK AND CPR CONTINUED WHILE TRANSPORTATING TO THE SURFACE. AMB ULANCE ARRIVED IN 3-4 MINUTES OF GETTING TO SURFACE. EE WAS TAKEN TO HOSPITAL WHERE HE WAS PRONOUNCED DOA.