A PILLAR BOUNCE OCCURRED IN THE 14 NORTH DEVELOPMENT SECTION MMU 002-0 BETWEEN 15 AND 16 X-CUT IN THE #2 ENTRY. FOR 90 FT, ONE TO 2 FEET OF RIB LINE BLEW OUT ON BOTH SIDES OF THE ROADWAY, 2 C ONTRACT MINERS WERE INJURED WHILE HINGING MINER CABLE ON THE RIGHT SIDE OF ROADWAY.