A NON-INJURY ACCIDENT OCCURRED AS A RESULT OF AM IMPOUNDMENT BREAKING THROUGH INTO AN UNDERGROUND MINE. FLOODING OCCURRED INSIDE THE UNDERGROUNDMINE AND A DISCHARGE OF SLURRY EXITED THE PORTAL S 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.