FALL OF ROOF OR BACK at KenAmerican Resources Inc
A roof fall occured in the #11 seam in the 2 Main North at crosscut #8 starting in the #1 entry and traveling half way through the intersection of #2 entry. The fall measure approximately 100'x0'-16'x10'-12'. The area was supported with 30"" fully grouted bolts. A slip with the presence of water was determined to be the cause of the fall.
U.S. Mine Safety and Health Administration