View of the Great Drain ... north Horizontal (normal) ... 21 March 1934
Wall of the Great Drain ... Horizontal (normal) ... 21 March 1934
Wall of the Great Drain ... east Horizontal (normal) ... 21 March 1934
View of the Great Drain and the related channels ... Horizontal (normal) ... 12 May 1934
Amphora packing over tiles of the Great Drain ... Horizontal (normal) ... 12 May 1934
View of the Great Drain ... southeast Horizontal (normal) ... 29 June 1935
New course of the Great Drain, as found. The fork is visible in the middle foreground ... south Horizontal (normal) ... 1937
West Branch of the Great Drain; the new course to the right, the old course to the left beneath Building C ... north Horizontal (normal) ... 1937
