Poros Aqueduct and Road at Southwest Corner of Heliaia; Layer 5-4. Poros Aqueduct and Road at Southwest Corner of Heliaia; Layer 3. Poros Aqueduct and Road at Southwest Corner of Heliaia; Footing Trench ... Κ-15 2923, 2924 Κ 3529 T 3659 Κ 3580 P 26942 Κ 3581 P 26943 Κ 3582 P 26944 Κ 3583 P 26945 Κ 3584 SS 14439 Κ 3585 P 26946 Κ 3593 P 26951 Κ 3594 P 26952 Κ 3587 T 3662 Κ 3588 SS 14440 Lot Κ 312 Lot Κ 313 ... Late 5th-early 4th B.C ... Heliaia Peristyle, NW Corner Deep, Industrial Intrusion ... Heliaia Peristyle, West Aisle, Fill Undisturbed ... Heliaia Peristyle, SW Corner, Footing Trenches of Piers in South and West Colonnades