False 1623-178 Plateau Höhle 90/8 1623 1d 1/T + 178 90/8 1623-178 CUCC 1990 Window into very large passage about 10×20m, fluted snow plug, second drops onto end of plug. To NE, passage leads to another large chamber with another shaft coming in at the far end. plateau/178.htm plateau/178.htm