An unintentional roof fall was discovered in the #2 entry (return) at #36 break spad #676 adjacent to the 1A belt. Size of fall was estimated to be 30'L. x 19'W. x 4-5'H. Fall area had been supported with 4' fully grouted resin bolts. No injuries, no equipment caught. Ventilation was not interrupted. Fall will not be cleaned up.