Deposit: D 4:1
Title: West chamber
Category: Cistern
Description: The west chamber of a cistern system composed of two chambers connected by a passage (91/Ν); the east chamber at 91/Ν (E 5:1) retained little or no traces of its original period of use. North of the Hephaisteion. (Roman Group D).
Notes: This deposit is recorded layer I=bottom and the Subdivisions uncharacteristically follow this order due to previous publication. The notebooks show layer I to be the top, however.
Subdivisions:
.1=Bottom. Dumped filling of early 1st/2nd c. B.C.
.2=Dumped filling second half 1st c. A.D.
.3=Top. Dumped filling of late 1st-early 2nd c. A.D.
Bibliography: Agora IV, p. 236.
 Agora V, pp. 22-45.
 Agora VI, p. 98.
 Agora VII, pp. 224-225.
 Agora XXIX, p. 441.
 Agora XXVI, pp. 304-305.
Chronology: Use filling early 1st c. B.C.
Date Of Excavation: 1-16 April 1937
Section: ΛΛ
Grid: ΛΛ:94/ΝΣΤ
Elevation: -6.15m.
Longitude: 23.721269
Latitude: 37.976115