An unintentional roof fall was found in #2 Entry Return Aircourse & crosscut to #1 Entry one break inby spad2865,on #2 West-Submains.Fall measured approx 7' high 28' wide 10' long.Fall will not be cleaned up.Approaches dangered and cribbed/timbered. Fall does not interrupt ventilation/block escapeways/no injuries reported.Fall is due to weathering of mine roof.