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| Trench I ... From North Serial number 07-155 ... 1907 |
| Trench I, stairway ... From West Serial number 07-160 ... 1907 |
| Trench I, whole upward extent ... From North Serial number 07-159 ... 1907 |
| Trench II, construction vault ... From South Serial number 07-150 ... 1907 |
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