An unintentional roof fall was discovered at the Winchester Peerless Rachel Mine, 1st Left Panel off 2 West Submains at 9 Break #8 Entry. The fall is approximately 20 ft. long and 7 ft. thick. The fall has been dangered off and MSHA and WVOMHST officials have been notified. No injuries or entrapments occurred from this incident. The fall does not impede ventilation controls.