Hesperia XX, 1951, p. 169 A3 Great Drain A2 5W A4 A1 4W 3E 3W Poros Building 2W 2E Corridor 1E 1W Court Poros Building (State Prison?) Nomenclature for 1977 Roman Houses over Poros Building Hesperia XX, 1951 OO, House F, published as House R OO, D1, B1-3, 60/61 M = House Q OO, House C published as House P