Well (stone-curbed shaft) near middle of Tholos which served the prior building.
Period of Use dated to ca. 500-480(?) B.C., Upper fill dated to ca. 480-470 B.C. or soon after in Agora XXX (a gradual ... Ca. 500-480 B.C ... Hesperia Suppl. 46 (2011), p. 375 ... Hesperia 62 (1993), pp. 449, 451 ... Hesperia Suppl. 4, pp. 30-33 (the second well of Building F).