False 1623-175 Plateau Schacht 90/5 1623 1d 1/S + 175 90/5 1623-175 Recorded CUCC 1990, descended 1990-07-29 c20m shaft, snow at bottom. Last (2nd) pitch led to climb into choked bit. Sketch survey in 1990 survey book, page 78 1623/175.htm