ROOF FALL HAD OCCURRED IN LAST OPEN XCUT OF #6 ENTRY, AS A RESULT OF A HORSEBACK OR SLIP. NO INDICATION OF ANY PROBLEM WITH ROOF IN THE AREA OF THE FALL, WHEN SHIFT ENDED ON 11-02-01. FALL HAD ALREADY OCCURRED, WHEN FOREMAN FOUND IT, ON 11-03-01 AT APPROX 1245, DURING A CHECK OF WATER PUMPS.