MINE FOREMAN WAS MAKING FIREBOSS RUN AT APPROX 5:10AM. DISCOVERED ROOF FALL IN INTAKE AIRWAY, SPAD 201 #6 ENTRY INTERSECTION AND 2 BRKS INBY AT SPAD 218 #7 ENTRY INTERSECTION. (NOTE THERE IS 2 INTAKE AIRWAYS #6 IS USED PRIMARY ESCAPEWAY, REROUTED ESCAPEWAY FROM #6 TO #7 IN THIS AIRWAY. BOTH FALLS MEASURED 20'X18'X5'