Drain West Wall. Sand. Outside Ground Level, Layer III. Outside Ground Level, Layer IV. Outside Ground Level, Layer V. Outside Ground Level, Layer VI. Outside Ground Level, Layer VII. Polygonal Wall. Inside ... ΞΞ-4 675, 676 ΞΞ 182 P 17224 ΞΞ 203 P 17432 Lot ΞΞ 34 Lot ΞΞ 29 Lot ΞΞ 25 Lot ΞΞ 26 ... Aug 7 1946