INJURED WAS TAKING DOWN SAFETY CABLE BARRICADES SO THAT HE COULD USE A SKIDSTEER LOADER TO REMOVE STONE SPILLAGE ACCUMULATION UNDER SECONDARY CRUSHING PLANT. WHILE PULLING SAFETY CABLE BARRICA DES, INJURED SLIPPED IN MUD AND TWISTED HIS RIGHT KNEE. HE HAD SURGERY ON HIS KNEE ON 3/10/03.