False 1623-138 Schwa Schacht 138 1623 2c 1/S + 138 1623-138

Rapidly turns vertical and when explored, choked with snow at -40m. Sketch in not-KH survey book 1996, page 14. Area map NoKH book p88. In dataset caves/138/138.svx 1623/138.htm 1623/138.htm