An unintentional roof fall occurred on 5/11/10. The fall occurred on #3 belt mains, #5 entry, Bk #10, spad #1277. No injuries occurred from the fall (length 30'-60', width 10', Thickness 6' plus - above anchorage) (support 6' 3/4"" Torque tension, 10' cable volts, and cribs).