A roof fall was discovered in the crosscut between the no. 6 & 7 entries of No. 1 southwest mains adjacent to survey station no. 198. The fall is approx 3000 feet outby the mmu 001-0 and measures approx. 48 feet long x 15 feet wide x 7 feet high. There were no injuries or equipment involved. Ventilaiton was not affected.