A ROOF FALL OCCURRED IN RETURN AIRWAY ON 1ST LEFT CROSS ENTRY IN A PANEL DRIVEN FROM THE 11TH BREAK. THE FALL WAS IN THE 9TH CROSSCUT IN #2 ENTRY. THE FALL WAS APPROX 30 FT LONG X 20 FT WIDE X 5 FT HIGH. THE AREA WILL BE DANGERED OFF. THIS FALL DOES NOT IMPEDE VENTILATION.