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.
Mixed ... R. S. Young ... 270-605 (pp. 1692-1754) (1935-1938) 1582 1774 ... 19 March 1935-24 April 1935
Mixed ... Homer A. Thompson ... 2170 2368 ... 19-20 March 1936
Mixed ... Homer A. Thompson ... 2562 2759 ... 1 May 1938- 4 July 1938, December 1938
