West trench looking north ... Scanned 2005 for the 75th anniversary exhibition and publication. 132 Horizontal (normal) ... 23 Feb 1932
Mixed ... E. Vanderpool ... 1 194 ... 1932
Δ-1 131, 132 Section Δ 59 Section Δ 60 Section Δ 61 ... 22 Feb 1932
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