Roof Fall--70' in by the survey station #1042 in the cross cut between #4 entry and #3 entry on the 2nd Northwest Mains 3,400 feet from our section. This is an area where we pulled back from. It measured 6' thick by 16' wide by 35' in length. It is not affecting ventilation. We will not be cleaning the fall up, we are dangering it off. No employees or equipment was involved.