A NON INJURY ACCIDENT OCCURRED AS A RESULT OF AN IMPOUNDMENT BREAKING THROUGH INTO AN UNDERGROUND MINE. FLOODING OCCURRED INSIDE THE UNDERGROUND MINE AND A DISCHARGE OF SLURRY EXITED THE PORTA LS OF THE 1-C MINE. THE SLURRY ENTERED THE DRAINAGES OF COLDWATER CREEK AND WOLF CREEK. NO INJURIES OCCURRED AS A RESULT OF THIS EVENT.