ΓΓ: Letters = North - South. Numbers = East - West Apollodorus Street Ancient Street Upper levels excavated as ΝΝ, roughly ΝΝ:1-40/Ι-Π. Including ΝΝ Byzantine Houses 1, 2, 3, and Roman Houses B, D. Great Drain Asteroskopeion Street Same level of ΟΟ ca. 40/ΙΜ ΝΝ ΝΝ: Numbers = North - South. Letters = East - West Description of Section Grid