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| Digging well in Section ΒΕ.
Leslie Shear, Jr. overlooking the progress ... AMS 5160 Horizontal (normal) ... July 1993 |
| During excavation. Julia Shear ... AMS Horizontal (normal) ... August 1993 |
| During excavation. Julia Shear ... AMS Horizontal (normal) ... August 1993 |
| During excavation. Julia Shear ... AMS Horizontal (normal) ... August 1993 |
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