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| Area from northwest, silt removed. 1: Exhedra, 4: East Wall of West Branch, 5: Early Retaining Wall ... AMS Horizontal (normal) |
| Area from northwest, silt removed. 1: Exhedra, 4: East Wall of West Branch, 7: Packing behind drain wall ... AMS Horizontal (normal) |
| Area from northwest, Layer VI removed ... AMS Horizontal (normal) |
| Mixed ... H.Α. Thompson ... 1960 2157 ... 1937, 1938 |
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