A roof fall occurred in the #3 entry of the 1st main north angle off the 2nd west, unit #6 MMU-067-0, spad #13+14, just inby last open cross cut, up to face. The fall was approx. 40'L x 18'W x 6'H. There was no equipment involved, no injuries and no disruptions to ventilation. The fall was discovered at 4:58am.