A cave-in not long after the digging of this shaft destroyed its possible usefulness as a well and thereafter it was used as a dump. Two principle periods of such use were noted, and within these several ... Ca. 575-480 B.C ... Hesperia Suppl. 46 (2011), p. 375 ... Hesperia 7 (1938), pp. 363-411, figs. 1-49 ... Agora IV, p. 239.
