Poros curb of Tholos well ... Horizontal (normal) ... May 1939
Terracotta pipe from the drain of the kitchen of the Archaic house with the Colonnaded Court (Building F) ... PD 188 Horizontal (normal) ... 1936
Terracotta pipe from the original drain of the Tholos ... PD 79 Horizontal (normal) ... 1939
Terracotta pipe from a drain probably of the original Tholos kitchen ... PD 74 Horizontal (normal) ... 1939
Area to the east of the Tholos showing the Tholos drains. Great Drain, West Branch, in foreground ... northwest Horizontal (normal) ... June 1937
Junction of the south side of the porch with the Tholos, showing the drainage facilities ... Horizontal (normal) ... June 1937
Early drains of the Tholos ... northwest Horizontal (normal) ... June 1938
Junction of the Great Drain and the drain from the kitchen of the Tholos ... north Horizontal (normal) ... August 1938