FALL OF ROOF OR BACK at Armstrong Coal Company, Inc.
An area in 2nd East Submin #4 entry in pillar line 40+40 to40+90 some rock had fell out between some bolts and loosen up a couple bolts so the area was cribbed out to keep anyone from entering. When it was looked at on 04/10/2012 it had fell in some approx. 22'long,x 19'wide, x8'thick. On 04/03/2012 it was 16'long, x8'wide, x 4'high and was dangered out.
U.S. Mine Safety and Health Administration