Notebook ... Arthur W. Parsons, Margaret Crosby ... 1 200 ... 1947
North-South Trench II ... ΠΠ-1 190, 191 ΠΠ 92 T 2400 ΠΠ:1947.0627:7 ΠΠ:1947.0627:1 Section ΠΠ 47 Section ΠΠ 46 Section ΠΠ 48 ... Jun 27 1947