WITNESS STATES THAT CLAIMANT HAD A GUID ROPE ATTACHED TO HOOK IN ORDER TO MANUEVER LARGE BOULDER LODGED IN CRUSHER. CLAIMANT HAD ROPE WRAPPED AROUND LEFT HAND WHEN CABLE SNAPPED WEIGHT LOAD TI GHTENED ROPE AROUND HAND-CAUSING THE INJURES-EXTEND NOT KNOWN. CLAIMANT HAD SURGERY.