A roof fall was found in #1 entry at 33 Brk. (spad 429) of the North West Mains return during the weekly examination on 4/25/16. The fall was above anchorage and measured 20ft wide, approximately 25 ft. long, and 0 to 4 ft. thick. This fall was found in the non traveled common return air course. All approaches have been supported and dangered off.