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.
Dumped filling in a well on the west slope of the Areopagus (apparently separate, no mends between them, but differing little in date) the bottom filling apparently thrown in towards the beginning of the ... Ca. 425-400 B.C. and earlier