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| Geometric Area, from the west ... Scanned 2005 for the 75th anniversary exhibition and publication. 548 Horizontal (normal) ... 25 Apr 1932 ... Geometric Area, from the west. |
| Geometric Area, from the west ... AMS east 548 Horizontal (normal) ... 25 Apr 1932 ... Geometric Area, from the west. |
| Geometric Area 28-30/ΣΤ-ΙΒ from northeast ... AMS 84 Horizontal (normal) ... 12 Mar 1932 ... Geometric Area 28-30/ΣΤ-ΙΒ from northeast. |
| Pit I and Geometric Area, from the south ... AMS north 547 Horizontal (normal) ... 25 Apr 1932 ... Pit I and Geometric Area, from the south. |
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