A ROOF FALL OCCURRED ON SAT 10-18-03 AT APPROX 2:30 AM. NO EQUIPMENT OR PERSONS INVOLVED, FALL WAS IN #45 ENTRY OUT BY SPAD 1754. AREA WAS DEVELOPED 01-99, FALL WAS 65' LONG BY 25; WIDE BY 6' THICK. AREA WAS CLEARED UP AND REBOLTED AND ADDITIONAL SUPPORTS INSTALLED. REPORTED TO STATE AND FEDERAL AGENCIES.