Great Drain Bridge ... ΠΠ-8 1402, 1403 ΠΠ 571 G 360 ΠΠ 572 G 361 ΠΠ:1948.0422:27 ΠΠ:1948.0422:28 ΠΠ:1948.0422:29 ΠΠ:1948.0422:30 ΠΠ:1948.0422:31 ΠΠ:1948.0422:32 ΠΠ:1948.0423:6 ΠΠ:1948.0423:7 ΠΠ:1948.0423:8 ΠΠ:1948.0423:9 ΠΠ:1948.0423:10 ... 23 April 1948