Western Pacific articulated steam on the Keddie Wye, California

An issue of Railroad Magazine from March 1945 which seems to depict one of Western Pacific's 2-8-8-2 articulated steam locos on the Keddie Wye, a well-known split viaduct feature in the Feather River Canyon (see earlier post), since 1983 on the Union Pacific system.  Data on this steam loco class is here