Well near west edge of level area south of the Hephaisteion. Dumped filling thrown in near end of 4th. c. but by far the greater part belonging to the 30 years before 350 B.C.
Diameter of shaft 0.98m ... Ca. 380-350 B.C ... Hesperia 24 (1955), pp. 179-180, under no. 7 ... Agora IV, p. 234 ... Agora XII, p. 384.