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| Trench I, from the north ... AMS 104 Horizontal (normal) ... 14 Apr 1937 |
| Trench I, from the north ... Scanned 2005 for the 75th anniversary exhibition and publication. 104 Horizontal (normal) ... 14 Apr 1937 |
| Wall G', before removal. From the west ... AMS 442 Horizontal (normal) ... 16 Apr 1937 |
| Wall G', before removal. From the west ... Scanned 2005 for the 75th anniversary exhibition and publication. 442 Horizontal (normal) ... 16 Apr 1937 |
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