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| Plan, section and east and west elevations of drain and drain wall at the bridge over Great Drain at Piraeus Street ... H.S. Whipple ... PD 703 AMS Horizontal (normal) ... 7 May 1948 |
| Plan, section and east and west elevations of drain and drain wall at the bridge over Great Drain at Piraeus Street ... H.S. Whipple ... PD 703 Horizontal (normal) ... 7 May 1948 |
| Great Drain west of the Eponymous Heroes. Isometric drawing ... W.B. Dinsmoor, Jr ... PD 2286 AMS ... 1974 |
| Isometric drawing of the Great Drain west of Eponymous Heroes ... W.B. Dinsmoor, Jr ... 87-533 87-533 Dirty Heavy Tracing Paper Drafting Ink ... 1974 |
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