Cistern-system west of the Stoa of Zeus. Two chambers connected by a tunnel, each with two fills. Lower fill in south chamber contemporary with upper fill in north chamber, at the end of the 4th c. B.C ... Ca. 375-160 B.C ... Hesperia 2 (1933), pp. 126-128, figs. 13-14 and p. 454 ... Hesperia Suppl. 50 (2018), pp. 18, 77 ... Hesperia 6 (1937), pp. 207-208.