Great Drain just north of the State Prison, showing built wall of the prison. Corridor drain at lower left ... 3903 Horizontal (normal) ... November 1949 ... 1997.18.0100 (Section ΟΟ 619) ... Section ΟΟ 619 ... Section ΟΟ 619
General views of the northwest room. The State Prison was published as Poros Building in Hesperia 20 (1951) ... east 2829 Horizontal (normal) ... 7-8 November 1949 ... ΟΟ
General views of the northwest room. The State Prison was published as Poros Building in Hesperia 20 (1951) ... AMS east 2829 Horizontal (normal) ... 7-8 November 1949 ... Image | Series | Section ΟΟ
Great Drain just north of the State Prison, showing built wall of the prison. Corridor drain at lower left ... AMS 3903 Horizontal (normal) ... November 1949 ... 2012.41.0935 (Section ΟΟ 619) ... Section ΟΟ 619 ... Section ΟΟ 619