THE EE WAS CHECKING THE WATER PRESSURE ON THE MINER. THE MINER WAS BACKED OUT OF THE FACE AND THE EE WAS STANDING BESIDE THE MINER BETWEEN THE 4TH AND 5TH ROW OF BOLTS. THE TOP CRACKED IN THIS LOCATION AND BEFORE HE COULD EXIT THE AREA, A PIECE OF BONE COAL FELL FROM BETWEEN THE BOLTS AND STRUCK HIS LOWER BACK. EX-RAY NEGATIVE, BRUISE.