THE SLOPE BELT AT THE ZEIGLER #11 MINE IS THE SECONDARY ESCAPEWAY. A COAL SPILL AT THE TAIL AREA OF THE SLOPE BELT CAUSED THE SLOPE BELT TO BE SHUT DOWN FROM 8:15 AM TO 11:00 AM ON THE DAY SHI FT OF 6/18/02. PREODUCTION WAS STOPPED AND ALL PERSONNEL MOVED OUT BY THE LOADING POINT UNTIL THE SLOPE BELT WAS RETURNED TO SERVICE.