Northern Pacific steam locomotive 5138 at Pasco, Washington, on August 05, 1953. Number 5138 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5138 at Pasco, Washington, on August 05, 1953. Number 5138 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 5139, a class Z-8 leads an eastbound extra freight at Glade, Washington, with a second engine, Northern Pacific 5138, twenty-six cars back in the train on August 05, 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific 5139, a class Z-8, leads an eastbound extra freight near Glade, Washington, with a second engine, Northern Pacific 5138, twenty-six cars back in the train on August 05, 1953. This is likely a transfer of power move. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific 5139, a class Z-8, leads an eastbound extra freight near Glade, Washington, with a second engine, Northern Pacific 5138, twenty-six cars back in the train on August 05, 1953. This is likely a transfer of power move. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific steam locomotive 5139 parked nex to the cinder pit at Missoula in Montana, circa 1953. Number 5139 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5139 at Parkwater, Washington, on May 20, 1953. Number 5139 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5139 at Parkwater, Washington, on May 20, 1953. Number 5139, a class Z-8 built by Alco-Schenectady in 1943, is parked next to the coal dock at the Parkwater engine facility in Spokane. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, coal dock

Northern Pacific steam locomotive 5139 at Pasco, Washington, on August 05, 1953. Number 5139 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5140 at Missoula, Montana, in August 1943. Number 5140 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo