Great Drain opposite the northeast corner of the Metroon, detail of masonry ... AMS southwest 1470 Horizontal (normal) ... 19 July 1961
New course of the Great Drain ... AMS northeast ... 1937
Junction of the Great Drain and the drain from the kitchen of the Tholos ... AMS north Horizontal (normal) ... August 1938
Great Drain with inscribed stelae used as cover ... AMS Horizontal (normal) ... 12 February 1932
