Roof fall was discovered at 8:30 A.M. in #9 entry at #5 belt at spad #17682. Fall was 60 ft by 20 ft by 10 ft. There was no personal injury, in the return airway, no equip involved, & ventilation or person passage not affected. Area was breakered off. Area will have additional support added, and rehabilitated. Both MSHA & OMSL investigated.