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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 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 AMS Horizontal (normal) ... 7 May 1948 |
| Elliptical tile drain from the bath. At center foreground, early walls (north wall of the annex) associated with the "Poros Building". The State Prison was published as Poros Building in Hesperia 20 (1951) ... west 3591 Horizontal (normal) ... October 1949 |
| Elliptical tile drain from the bath. At center foreground, early walls (north wall of the annex) associated with the "Poros Building". The State Prison was published as Poros Building in Hesperia 20 (1951) ... AMS west 3591 Horizontal (normal) ... October 1949 |
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