North-South Trench XI ... ΠΠ-7 1226, 1227 ΠΠ 427 SS 10335 ΠΠ 428 MC 757 ΠΠ 449 L 4438 ΠΠ:1948.0330:3 ΠΠ:1948.0330:4 ΠΠ:1948.0331:5 ΠΠ:1948.0331:6 ΠΠ:1948.0331:7 ΠΠ:1948.0331:8 ΠΠ:1948.0331:9 ΠΠ:1948.0401:1 ΠΠ:1948.0401:2 ΠΠ:1948.0401:3 ... Mar 30 1948