Northern Pacific steam locomotive 5136 appoaching the turntable at Missoula, Montana, on August 20, 1949. Number 5136 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 5136 at Missoula, Montana, in August 1943. Number 5136 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 5136 at Livingston, Montana, on May 23, 1952. Number 5136 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 5136 at Laurel, Montana, on September 04, 1953. Number 5136 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 5136, a class Z-8, leads a westbound extra freight out of the yard at Laurel, Montana, on August 17, 1949. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, freight yard.

Northern Pacific 5136 prepares to leave Cle Elum, Washington, with an extra freight east circa 1949. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific steam locomotive 5135 at Missoula, Montana, in August 1943. Number 5135 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 5135 at Missoula, Montana, circa 1950. Number 5135, a class Z-8 built by Alco-Schenectady in 1943, is on the turntable at the roundhouse. Photo by Blackie Moser, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, turntable, roundhouse

Northern Pacific 5135, a class Z-8, hauls an eastbound fruit extra between Missoula and Drummond, Montana, in August 1943. Note the parallel Milwaukee main line in the background. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, ice refrigerator car.

Northern Pacific steam locomotive 5134 at Missoula, Montana, on August 21, 1943. Number 5134 is a class Z-8 built by Alco-Schenectady in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo