North end. Junction of the north wall of the Square Peristyle and the east wall of the Stoa ... southwest 1818 Horizontal (normal) ... 9 Jun 1950
Bottom coarse of north wall of the Square Peristyle, at left. Drain beneath the north end of the Stoa of Attalos ... Publication says from the northeast. southwest 1820 Horizontal (normal) ... 9 Jun 1950
Actual state plan, scale 1:100 ... M.R. Jones ... PD 970 Horizontal (normal) ... 1958
Isometric plan, ca. 300 B.C. Scale 1:500 ... John Travlos ... PD 1151 southeast Horizontal (normal) ... 1962