EE WAS CLEANING CATWALK AROUND 68S TELSMITH CRUSHER. THE EE LAID HIS HAND ON TOP OF THE CRUSHERSHOUSING AND BENT OVER TO PICK UP SOME ROCK OF THE SURROUNDING CATWALK WHEN A ROCK OF UNKOWN SIZE BOUNCED DOWN OFF THE ABOVE 6X16 SCALPING SCREENAND HIT THE EE'S LEFT HAND.