ΟΟ-21 4048, 4049 Section ΟΟ 682 ... March 1951
North wall of the "Poros Building Annex" with Archaic wall in foreground. The State Prison was published as Poros Building in Hesperia 20 (1951) ... east 4048 Horizontal (normal) ... March 1951
Mixed ... Margaret Crosby, M. Alison Frantz ... 4001 4200 ... 1947, 1950, 1968