EE IS AN OVERBURDEN DRILL OPERATOR AND WAS WORK-ING IN OUR D DRILLING IN ADVANCE OF BLASTING. HENEEDED TO RELIEVE HIMSELF, SO HE WENT TO THE HIGHWALL EDGE AND DID SO. AS HE WAS RETURNING TO THE DRILL HE STEPPED ON LOOSE MATERIAL THAT HAD BEEN ON THE HIGHWALL EDGE AND SLID AND FELL OFF THE HIGHWALL. HE LANDED FEET FIRST IN MATERIAL THAT CUSHIONED THE LANDING SOMEWHAT.