An unintentional roof fall occurred on 001 section during pillaring operations. The fall was approx. 8' H. X 20' W. X 25' L. It was approx. 10' inby survey spad #6317 in the #6 entry. It fell between 2 Fletcher M.R.S. trapping the 2 M.R.S.'s MSHA hot line was notified. All EQ. in the affected area was moved to a different location. No injuries were reported. All EQ. recovered.