Bottle-shaped cistern at R/1-13/14,15, probably associated with the building which lies under the Northwest Stoa. Single dumped fill. Coins
11 June 1975 #822
11 July 1975 #864 July 1997 samples taken by ... 300-265 B.C.
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.