Well A, early 5th c. B.C. Near the Agora Boundary Stone, northwest corner of Middle Stoa; diameter at top 0.92m, widening to 1.15m and more below. Shaft neatly faced with stones to a depth of 0.70m below ... Ca. 520-480 B.C ... Hesperia 23 (1954), pp. 51-54, pl. 15 ... Hesperia Suppl. 46 (2011), p. 375 ... Agora IV, p. 241.