AN UNINTENTIONAL ROOF FALL OCCURRED ON 3 EAST MAINS, BREAK 55, BETWEEN THE 7TH AND 8TH ENTRY. THIS FALL MEASURED 20' WIDE, 25' LONG AND 6+' THICK. THERE WERE NO INJURIES AND NO EQUIPMENT WAS DAMAGED OR IMPAIRED BY THE FALL. VENTILLATION WAS NOT DISTURBED. THIS FALL WILL NOT BE CLEANED UP. FALL IS LOCATED BETWEEN SURVEY STATION #21221 & 21220