CAVED IN THE XCUT #1 TO #2 OF WEST MAINS, APX. 140' INBY STATION #125 OF NORTH MAINS ( THE CAVE IS 140' LEFT OF SPAD 125). THE CAVE IS APX. 50' LONG, 17' WIDE AND 8-9' HIGH. THE XCUT WAS BOLTE D WITH 5' TENSION REBAR BOLTS. THIS CAVE WAS FOUND WHEN MAKING A WEEKLY EXAM OF THE RETURN AIR COURSE.