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[Agora Image] 1997.04.0283 (8-86)

The West Branch of the Great Drain in its early and late courses ... southwest Horizontal (normal) ... June 1938

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[Agora Image] 1997.04.0295 (XIV-19)

Middle drain to north of Building C before final clearing. West Branch of the Great Drain showing its two courses ... Publication says from the northeast. southwest 2564 Horizontal (normal) ... 21 May 1938

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[Agora Image] 1997.04.0296 (XIV-35)

Middle drain to north of Building C, as cleared ... north 2567 Horizontal (normal) ... 31 May 1938

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[Agora Image] 1997.04.0297 (XIV-36)

Middle drain to north of Building C, as cleared ... south 2566 Horizontal (normal) ... 31 May 1938