General view of north area ... Scanned 2005 for the 75th anniversary exhibition and publication. 341 Horizontal (normal) ... 11 Mar 1937
Course of Channel 7 ... Scanned 2005 for the 75th anniversary exhibition and publication. 283 Horizontal (normal) ... 5 Mar 1937
Pit. The western edge seen from south, partly cleared ... AMS Horizontal (normal)
Strosis 3 uncovered ... AMS Horizontal (normal)
