A ROOF FALL MEASURING 70'L, 19'W, 6 1/2'H OCCURRED IN THE 3RD SW PANEL, #1 UNIT RETURN, 120-OUT BY THE FACE, ENTRY 7, AND FELL ON THE CULTING HEAD OF THE REMOTE CONTINUOUS MINER. THE MINER HAD BEEN POSITIONED TO CLEAN SOME MATERIAL UP BACK IN THE RETURN AIR COURSE.