A ROOF FALL OCCURRED ON THE 001-0 SECTION. THE FALL IS LOCATED AT SURVEY STATION 868 IN THE NO. 4 HEADING AND EXTENDS THROUGH THE CROSSCUT THE NO.5 ENTRY. THE FALL MEASURES APPROX. 100 FEET LO NG X 18 FEET WIDE X 3 TO 10 FEET HIGH. THERE WERE NO INJURIES OR EQUIPMENT INVOLVED. VENTILATION WAS NOT AFFECTED.