First half of 5th c. B.C.
Well M: EG, under the south court of the Poros Building. Hesperia 20 (1951), p. 144 (noted) ... Middle Geometric
Ostrakon deposit, sand fill in a shallow channel in bedrock at the bottom of the Great Drain in the valley between the Areopagus and the Hill of Nymphs. This group of ostraka may well come from a single ... Ca. 490-480 B.C.
