Eugene Vanderpool ... Report on the excavations of the Southwest Fountain House, the Aqueduct east of the Fountain House, and of the adjustments of levels at the southwest corner of the Middle Stoa ... 1 Apr-5 Jun 1954
Located just north of the stepped retaining wall between the Great Drain and the Poros Monument (Propylon).
Short period of use; dumped filling above, mostly cemetery debris ... Early Protogeometric