ON JULY 16, 2004 AN UNPLANNED ROOF FALL WAS DISCOVERED IN GRASSY CREEK NO. 1 MINE. THE FALL OCCURED #17 BELT, SPAD NO. 6017, 1 BREAK OUTBY. THE SIZE OF THE FALL MEASURED 20 X20 LENGTH, 20 FT WIDTH AND 84"" HEIGHT. THE AREA HAD BEEN BOLTED WITH 4 FT RESIN BOLTS.