Cut by North Wall of Poros Building Annex; First Layer of Marble Dust and Working Chips. Cut by North Wall of Poros Building Annex; Floor 6; i.e. Floor to be associated with North Wall. Cistern. Cistern ... ΟΟ-17 3326, 3327 ΟΟ 1534 P 20851 ΟΟ 1537 P 20853 ΟΟ 1562 MC 842 Lot ΟΟ 759 Lot ΟΟ 760 Lot ΟΟ 761 D 17:3 ... Middle of 4th B.C.