The fire boss on the owl shift discovered the fall at the start of the shift at approx..11:08 pm, called the mine foreman and the mine foreman called this in around 11:20 no equipment or personnel was involved in the fall. The fall is at 16 break on the 2 west belt.it is approx.. 18ft wide 40ft long and 7ft thick we are in the process of creating a clean up plan.