Filling of Middle Drain (Tr. H+F in Section Ζ). Sand and gravel filling of the old course of the west branch of the Great Drain, a large (ca. 1.00m. deep and 1.30m. wide) underground channel in the area ... 150-100 B.C.
South end of Building C as cleared ... AMS north 2536 Horizontal (normal) ... 21 May 1938
Post Sullan
Mixed ... H.Α. Thompson ... 2348 2545 ... 1938
