Late 4th B.C ... East Part of Propylon; From Filling of Poros Water Channel
Roman ... Main East-West Street Drain and Water Channels; Poros Water Channel; In Block at East
Roman ... Main East-West Street Drain and Water Channels; Poros Water Channel; In 3rd Block at West End
First Half of 4th B.C ... East Part of Propylon; From Undisturbed Filling Alongside and Under East-West Poros Water Channel
Late Roman ... Sequence of Road Fills; West End of Street; North Side; Fill in Cobble Stones and Partially Covering Poros Water Channel