False 1623-100 Plateau Schacht 100 1623 1a 1/S + 100 1623-100 CUCC 1977, Team Youth, and again in 1990 by AERW An east-west rift with two obvious points of descent. The more easterly is about 6m deep and can be seen to end in a chamber. The more westerly is a 15m pitch, with a window communicating with the east hole. At base are boulders and a climb down. A crawl leads to an inlet where water appears and sinks into an impenetrable slot with very sharp rock. 18m 1623/100.htm