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
Northwest room. General view looking along west wall line. The State Prison was published as Poros Building in Hesperia 20 (1951) ... south 3060 Horizontal (normal) ... July 1949
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