A non-Injury roof fall was found during a Pre-Shift examination. The roof fall was reported to the MSHA hotline. The roof fall is located in the No. 4 entry at x-cut #19 on the 2 south mains. The roof fall is approximately 28' x 30' ft long x 18' x 20' ft wide x 10' x 12' ft thick. The roof fall will be cleaned up and the mine roof re-supported.