Unplanned roof fall at crosscut 49 1/2 #4 entry, station #6414.5 on the Main North Belt line. Fall occurred in a pillar line supported with 8' T.R. bolts and 11' cable bolts. Fall dimensions 18 ft. wide, 22 ft. long, 9 ft. high. Fall did not cause injury, impair ventilation or entrap miners. Fall area developed on 03/22/2015. Reported to MSHA @ 8:32 PM on 08/11/2021.