6th B.C ... 85/ΞΗ about Poros Block
4th B.C ... Bouleuterion Plateia; Layer IV; Near Marble Base; Overlying Poros Block
Late Hellenistic ... Byzantine Building; Room XI; From Filling Overlying Poros Block at -1.75m
4th B.C ... Poros Building; Area D1; Northwest Corner of Room 2 at East; Fill 3 West of Poros Block
LAte 5th B.C ... Theseion Precinct; Filling: Terrace Wall B; 42/ΝΗ; Footing Trench West of Poros Block
10-17 Jun 1949 ... Poros Building; West Side of Room 2 East; Undercutting Late Hellenistic Floor to Expose Poros Block at Southwest Corner
Late 5th B.C ... Fills Along and Related to Poros Building; Southeast Side of Poros Building; On Poros Drain Block in Center of Poros Building
Roman ... Fills Along and Related to Poros Building; Southwest Corner of Poros Building; On Corner of Poros Block of North Wall of Court (at West)