A roof fall 300' long 19' wide 8' thick occurred 600' outby the section. The fall occurred in the #2 return entry of #5 belt 60' outby spad 56074. 5' torque tension roof bolt supports was in use. No injuries occurred as a result of the fall, passage of men was not affected, ventilation was affected as 4 stoppings were damaged. Fall was due to laminated coal/sandstone streaks.