Roof fall occurred in the #3 enrty at spad #1576. Fall occurred 5600 feet from the active face on the 001-0 MMU. This area was developed March 2008. Area was originally supported with 5 torque tension bolts. Roof fall did affect ventilation and passage of persons. Fall will be rehabilitated. Fall 20w X 20l X 8H. Federal and state agency were notified immediately.