Late 5th B.C ... Poros Foundation; Packing over Chips
3rd-2nd B.C ... Pillaged Foundation Pit in Byzantine Building; Room XVIII; From Original Filling around Poros Foundation Block
Early Roman ... Fills Along and Related to Poros Building; Southeast Side of Poros Building; Foundation in Northeast Corner of Court; Fill Should Antedate Foundation of Workshop
Late 1st-First half of 2nd A.D ... Layered Fill of Foundation Trench of East Face of Soft Yellow Poros East Wall in Alley; Layer 10
First half of 2nd A.D ... Layered Fill of Foundation Trench of East Face of Soft Yellow Poros East Wall in Alley; Layer 11
1st-Early 2nd A.D ... Layered Fill of Foundation Trench of East Face of Soft Yellow Poros East Wall in Alley; Layer 12
Prehistoric-Late Geometric ... Layered Fill of Foundation Trench of East Face of Soft Yellow Poros East Wall in Alley; Layer Y