A ROOF FALL HADOCCURRED MEASURING 30'L X 20'W X 6 1/2'H IN THE #3 ENTRY OF THE 1ST SOUTHWEST SUBMAIN AT SPAD 1+80. THE FALL OCCURRED IN A WET AREA, NEUTRAL ENTRY BETWEEN CRIBS. THE FALL WILOL NOT BE CLEANED UP. MSHA WAS NOTIFIED, AND CAME OUT AND INVESTIGATED.