A ROOF FALL WAS FOUND BY A PUMPMAN IN THE 8 LEFT RETURN. HE ROOF FALL MEASURED 10 FT BY 10 FT BY 3 FT HIGH. THE ROOF MATERIAL HAD FALLEN OUT BETWEEN THE BOLTS. THIS FALL BLOCKED TO SECONDARY E SCAPEWAY. ROOF JACKS WERE SET AND ESCAPEWAY MADEPASSIBLE BEFORE EMPLOYEES WERE ALLOWED TO ENTER THE SECTION.