The department shall work with federal officials and private mine owners to ensure the prompt sealing of open holes and mine shafts that constitute a threat to safety.[ 2003 c 334 s 101; 1985 c 459 s 7. Formerly RCW 43.12.025.]Notes:Intent—2003 c 334: See note following RCW 79.02.010.Severability—1985 c 459: See note following RCW 79.14.510.