Late Foundation Above Great Drain at 21/Ζ ... Ζ-8 1523, 1524 Ζ:1937.0410:1 N 19321 Ζ:1937.0410:2 N 19322 Ζ:1937.0410:3 N 19323 Ζ:1937.0410:4 N 19324 Ζ:1937.0410:5 N 19325 Ζ:1937.0410:6 N 19326 Section Ζ 199 Section Ζ 220 ... 350-318 B.C.
From east. 1=Building C. 2=Cover Slab of Great Drain. 3=Late Foundation ... Scanned 2005 for the 75th anniversary exhibition and publication. 1523 Horizontal (normal) ... 10 Apr 1937