Region west of 27/KE. View from east ... AMS Horizontal (normal)
Water channel running north from 27/KA. View from south after removal of undisturbed fill at 27/KE ... AMS Horizontal (normal)
Digging the Great Drain. Fallen bedrock at 59/ΛΔ. View from south ... Scanned 2005 for the 75th anniversary exhibition and publication. 1033 Horizontal (normal) ... 12 May 1934
Digging the Great Drain. Fallen bedrock at 59/ΛΔ. View from south ... AMS 1033 Horizontal (normal) ... 12 May 1934
View from south. Strosis over blocks at 12-14/ΙΑ ... AMS Horizontal (normal)
