A non-injury roof fall occurred during pillar recovery on the 002 section, #4 block, 70' inby S.S. 7697, entrapping the mining machine. The rock measured 15' W X 18' L X 4.5' thick and fell in the cut. It did not fall above anchorage. MSHA issued a 103k order which was modified to retrieve the maching machine and resume normal mining operations.