Trench in Bedrock at 50-54/Λ. From the east ... Scanned 2005 for the 75th anniversary exhibition and publication. 189 Horizontal (normal) ... 26 Apr 1932
From south. Whole area in northeast of section ... AMS 511 Horizontal (normal) ... 26 Apr 1932
From southeast. Whole area in northeast of section ... AMS 511 Horizontal (normal) ... 26 Apr 1932
From northwest. Stroses near Stoa in 02-03/ΚΖ-ΚΗ ... AMS 518 Horizontal (normal) ... 28 Apr 1932