Hole in bedrock; dumped filling used in leveling.
Probably a natural water line, tending to wash out, has been cut back for various purposes, and finally all filled in to make level bedding for 4th c., ... Ca. 350-270 B.C.
Well at 21/Ε (beneath Library of Pantainos).
The clearing of the well was abandoned because of a cave-in of the rock walls. Heavy dumped filling, the proportion of fine black table ware high ... Ca. 440-425 B.C.
