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| Drainwall opposite House A. Drawing to show types of construction used in the Great Drain and in the houses beside it. East wall of drain from House J to House K. Elevation showing change of construction ... PD 718 Brown House in nb. (A). Horizontal (normal) ... 1949 |
| House K. Drawing to show types of construction. Elevations of wall and section through northwest room ... PD 715 House R in nb. Horizontal (normal) ... 1949 |
| Great Drain just north of the State Prison, showing built wall of the prison. Corridor drain at lower left ... 3903 Horizontal (normal) ... November 1949 |
| Great Drain below with cover slab; above, "bridge block", earth and tumbled breccia blocks ... north Horizontal (normal) ... 14 Apr 1948 |
| Great Drain with east-west retaining wall and tumble behind and above ... south Horizontal (normal) ... 14 Apr 1948 |
| East-west retaining wall over Great Drain with tumble above ... southwest Horizontal (normal) ... 14 Apr 1948 |
| West Branch of the Great Drain ... north 7463 Horizontal (normal) ... May 1948 |
| Great Drain bridged for the East-West Street ... south Horizontal (normal) ... May 1948 |
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