False 1623-B3 CUCC 1976/B3 1623 4 1/S + B3 1623-B3 CUCC 1976 The lowest entrance drops via a 10m pitch into a descending rift. The rift drops steadily over boulders to a choke. Up rift from the pitch, daylight is reached from one of the other holes. 15m ? 1623/b3.htm 1623/b3.htm