ROOF FALL IN THE MAPLE CREEK MINE ALONG THE OLD HAZELKIRK MAINS HAULAGE BETWEEN 6 AND 7 CROSSCUT. FALL IS @ 40 FT LONG, 15 1/2 FT WIDE, 8-9 FT HIGH. AREA WAS MINED IN JUNE 1960 AND SUPPORTED W ITH CONVENTIONAL ROOF BOLTS SUPPLEMENTED WITH 7 AND 10 FT POINT ANCHOR BOLTS OVER TIME.