An unfinished well in the northwest room of the Poros Building, west of the Areopagus. Dumped filling. Chips from marble-working, variety of plain and figured wares ... Ca. 400-385 B.C.
Rectangular shaft neighboring the well D 17:12. Dug only to a depth of 4.40m. and provided with two galleries or channels extending from it. Apparently never intended as a well. Refilled with the dug bedrock ... 4th c. B.C.