From west, 1 = bedding for north Hellenistic foundation. 2 = Bedding for Pier 4 from west. 5 = Late foundation. 6 = Modern enclosure wall of Theseion. 7 = Mass of earth to be removed ... AMS Horizontal (normal) ... From west, 1 = bedding for north Hellenistic foundation. 2 = Bedding for Pier 4 from west. 5 = Late foundation. 6 = Modern enclosure wall of Theseion. 7 = Mass of earth to be removed.