A unplanned roof fall occurred in the #6&7 crosscut on the 001-0 section, fall occurred spad #1706, 7600 feet from active face . Roof fall was in the intake, ventilation and passage of person was affected. Area was developed 4/08 and roof support consisted of 5' torque tension and 12' cable bolts all entrance have been breakered off fall measured 240'LX20'WX6'H