AN UNINTENTIONAL ROOF FALL OCCURRED ONT HE #3 ENTRY OF THE 7TH WEST AT 9200' WEST TAILGATE OFF OF THE 8TH WEST LONGWALL. THE FALL WAS APPROX. 20' LONG , APPROX. 10' WIDE AND APPROX. 6-8' THICK . THE FALL DID NOT AFFECT VENTILATION OR PASSAGEUOF MINERS.