| D 18:5 | Well | 25-26 July 1977 | Third quarter 5th c. B.C. | |
| C 18:13 | Pit | 26 May 1949 | Probably 3rd qtr. 5th c. B.C. | |
| ΟΟ-7-64 (pp. 1316-1317) | Kiln Wasters and Slag from Unworthy Fills Well at 60/ΝΑ; From Containers 1-3 Well at 60/ΝΑ; Containers 4-12 Well at 60/ΝΑ; Containers 13-26 Gravel Fill; Bottom of Great Drain Fill of Poros Building; Stony Fill in Pit | 1947 Aug 8 1947 | 3rd quarter of 5th B.C. | |
| ΟΟ 256 | Fill of Poros Building; Stony Fill in Pit | 8 August 1947 | 3rd quarter of 5th B.C. | |
| ΟΟ 670 | Central Area of Poros Building; Clay Fill at ca. 64/ΛΕ; i.e. East of Poros Drain Slabs; Third Layer of Clay on Early Lower Floor | 18 May 1949 | 3rd quarter of 5th B.C. | |
| ΟΟ 903 | Poros Building (State Prison?); Corridor of Poros Building; East of 2W only; Under Court of House Q; Layer III | 25 Jul 1977 | 3rd quarter of 5th B.C. | |
| ΟΟ 934 | Poros Building (State Prison?); Well in Corridor of Poros Building; East Side; Opposite Half of E2 | 26 July 1977 | Third quarter of 5th B.C. | |
| ΟΟ 935 | Poros Building (State Prison?); Well in Corridor of Poros Building | 26 July 1977 | Third quarter of 5th B.C. | |