Well at 70/ΛΖ. F1; South of East Wall. F4. South Central Area; Poros Building. F1. Poros Building Northwest Corner. Poros Building South Corner. F4 Corridor. Wall B. Wall 2. Court ... ΟΟ-15 2818, 2819 ... May 20 1949 ... F1; South of East Wall ... South Central Area; Poros Building ... Poros Building Northwest Corner