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 ... 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 of the Tholos.
