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| From north. Great Drain Bridge with tumble removed ... AMS Horizontal (normal) ... From north. Great Drain Bridge with tumble removed. |
| Breccia block tumble over Great Drain Bridge. From west ... AMS Horizontal (normal) ... Breccia block tumble over Great Drain Bridge. |
| East-West Street and Great Drain bridge. Layer 8 cleaned ... east 2070 Horizontal (normal) ... July 1949 ... East-West Street and Great Drain bridge. |
| Divergence of East-West Street and the Great Drain bridge ... south 2190 Horizontal (normal) ... July 1949 ... Divergence of East-West Street and the Great Drain bridge. |
| Divergence of East-West Street and the Great Drain bridge ... AMS south 2190 Horizontal (normal) ... July 1949 ... Divergence of East-West Street and the Great Drain bridge. |
| East-West Street and Great Drain bridge. Layer 8 cleaned ... AMS east 2070 Horizontal (normal) ... July 1949 ... East-West Street and Great Drain bridge. |
| Breccia block tumble over Great Drain Bridge. From near west ... AMS Horizontal (normal) ... Breccia block tumble over Great Drain Bridge. |
| Breccia block tumble over Great Drain Bridge. From far east ... AMS Horizontal (normal) ... Breccia block tumble over Great Drain Bridge. |
| Breccia block tumble over Great Drain Bridge. From near east ... AMS Horizontal (normal) ... Breccia block tumble over Great Drain Bridge. |
| Great Drain Bridge. East end from east with strosis I still on bridge block ... AMS Horizontal (normal) ... Great Drain Bridge. East end from east with strosis I still on bridge block. |
| Great Drain Bridge. West end with Stroses I and II. Water channel bridge block in foreground. From the east ... AMS Horizontal (normal) ... Great Drain Bridge. ... Water channel bridge block in foreground. |
| From northeast. Great Drain Bridge and Retaining Wall after cleaning. Note cutting on Water Channel Block ... AMS Horizontal (normal) ... From northeast. Great Drain Bridge and Retaining Wall after cleaning. |
| From north. Great Drain Bridge and Retaining Wall after cleaning. Note cutting on Water Channel Block ... AMS Horizontal (normal) ... From north. Great Drain Bridge and Retaining Wall after cleaning. |
| From west. Looking toward Great Drain Bridge showing 1st century A.D. amphora serving as not very good packing about earlier Great West Drain (see hole below) apparently where Early Great West Drain required ... AMS Horizontal (normal) ... Looking toward Great Drain Bridge showing 1st century A.D. amphora serving as not very good packing about earlier Great West Drain (see hole below) apparently where Early Great West Drain required fixing in 1st century A.D. |
| 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. |
| 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. |
| Bridge bench for Late Roman Water Channel in Great Drain ... AMS Horizontal (normal) ... Bridge bench for Late Roman Water Channel in Great Drain. |
| Bridge bench for Late Roman Water Channel in Great Drain ... AMS Horizontal (normal) ... Bridge bench for Late Roman Water Channel in Great Drain. |
| Bridge bench for Late Roman Water Channel in Great Drain ... AMS Horizontal (normal) ... Bridge bench for Late Roman Water Channel in Great Drain. |
| Bridge bench for Late Roman Water Channel in Great Drain ... AMS Horizontal (normal) ... Bridge bench for Late Roman Water Channel in Great Drain. |
| Bridge bench for Late Roman Water Channel in Great Drain ... AMS Horizontal (normal) ... Bridge bench for Late Roman Water Channel in Great Drain. |
| Great Drain below with cover slab; above, "bridge block", earth and tumbled breccia blocks ... north Horizontal (normal) ... 14 Apr 1948 ... Great Drain below with cover slab; above, "bridge block", earth and tumbled breccia blocks. |
| Great Drain below with cover slab; above, "bridge block", earth and tumbled breccia blocks ... AMS north Horizontal (normal) ... 14 Apr 1948 ... Great Drain below with cover slab; above, "bridge block", earth and tumbled breccia blocks. |
| Looking at the bridge. Corbelled west wall at left ... north 2185 Horizontal (normal) ... June 1949 |
| Looking at the bridge. Corbelled west wall at left ... AMS north 2185 Horizontal (normal) ... June 1949 |
| Limestone polygonal construction of west drain wall just south of the bridge ... 2143 Horizontal (normal) ... June 1949 |
| Limestone polygonal construction of west drain wall just south of the bridge ... AMS 2143 Horizontal (normal) ... June 1949 |
| General view. North end of bridge over drain showing cuttings in face of long channel block ... south 2183 Horizontal (normal) ... July 1949 |
| General view. North end of bridge over drain showing cuttings in face of long channel block ... AMS south 2183 Horizontal (normal) ... July 1949 |
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