Square pit in bedrock southwest of the Hephaisteion. Many marble chips from the construction of the temple of Hephaestus were found here together with a large quantity of pottery and other objects ... Ca. 450 B.C.
Ca. 390-380 B.C.
Pit with marble chips (disturbed); working chips of the Hephaisteion construction. A few vases apparently contemporary with the building of the temple ... 5th c. B.C. to ca. 450 but disturbed.