Hellenistic Building on Kolonos. Southeast Corner Exposed; Plan and Section. Southeast Corner Evidence for Date of Construction Terrace Wall to South; Plan and Section. Poros Geison Perhaps from This Building ... Α-9 1917, 1918 A 909 ... Southeast Corner Exposed; Plan and Section ... Archaic Terracotta Water Pipe Oriented Southeast-Northwest ... Late Roman O-Shaped? Terracotta Pipe Oriented Southeast-Northwest