False 1623-LA27 LUSS/LA27 1623 6 1/T + LA27 1623-LA27 LUSS 1987 A small tube at the foot of the cliff leads as a low crawl for about 30m to a choke. A slight draught emerges from a 10cm wide rift. The above description is taken from the LUSS report on the 1987 expedition. 1623/la27.htm