EE SLIPPED ON ICY AREA WALKING TO HIS LOADER. THAWED CONDITIONS THE PREVIOUS DAY RE-FROZE OVERNIGHT. AREA WAS SEMI-DARK THAT EARLY IN THE AM BEHIND THE MOUNTAIN WHERE THE SUN HADN'T SHONE YET. WHEN EE SLIPPED HIS RIGHT LEG WENT FORWARD CAUSING A SPLIT. HE WENT DOWN ON THE LEFT LEG AND FRACTURED HIS LEFT LEG FROM IMPACT AT THE KNEE AND WEIGHT OF BODY.