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| Trench A ... AMS Horizontal (normal) ... Trench A. |
| Trench A ... AMS Horizontal (normal) ... Trench A. |
| Cross Trench A ... AMS north 1557 Horizontal (normal) ... 14 Jun 1967 ... Cross Trench A. |
| Cross Trench A ... AMS north 1555 Horizontal (normal) ... 14 Jun 1967 ... Cross Trench A. |
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