Discovered roof fall on weekly Return Run in 1st NWest Mains Section 1 xcut inby station #1380 in #2 entry. Area was bolted w/6' supertwist fully grouted 12' cable bolts, 2 every 8' & T2 channels. Fall was appx. 60' long. Couldn't examine fall on back side because of fall in #3 entry. This was extension of that fall & water accumulation in #4 entry.