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[Agora Notebook] ΠΠ-1

Notebook ... Arthur W. Parsons, Margaret Crosby ... 1 200 ... 1947

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[Agora Notebook Page] ΠΠ-1-9 (pp. 8-9)

Old Trench ... ΠΠ-1 8, 9 Section ΠΠ 2 Section ΠΠ 4 ... Apr 29 1947