A spoil slide occurred at 2:35am on Oct.10, 2007 in the Oak Hill DIII Pit Area. Slide was approx. 200' long x 80' wide. The pressure from the spoil material caused the 8' coal seam to fracture & rise approximately 20'. The action damaged a hauler & loader working in the area. No one was injured. MSHA was notified. Investigator arrived at the mine site to investigate @ 10:20am