ΝΝ-9-59 (pp. 1709-1710)

Shaft at 116-118/ΚΕ-ΚΣΤ; Well and Cave. Shaft at 116-118/ΚΕ-ΚΣΤ; Cave and Well ... ΝΝ-9 1709, 1710 S 1172 ... 24 May 1939