With cistern at 17/ΟΕ-ΟΣΤ (P 10:2), two chambers connected by a passage.
18/Π went out of use first and was closed off from 17/ΟΕ-ΟΣΤ; filled up at one time with material dating between 350 and 300 B.C ... 325-285 B.C.
Terracotta well-heads. 4th/3rd centuries B.C. Photograph and profile drawing of A 1418 (from south cistern at 18/Π), and restored profile of P 4072-4073 from a cistern at 45/Β. Hellenistic Group B ... PD 487 Misc Horizontal (normal)