A view of an eastbound freight train between Livingston and Laurel, Montana, in September 1953. Photo by J.M. Fredrickson. Other Subject Classes: freight train, steam locomotive.

Northern Pacific passenger train number 26, the eastbound North Coast Limited, led by diesel locomotive 6511, at Laurel , Montana, in September 1953. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Northern Pacific passenger train number 25, the westbound North Coast Limited, at Laurel , Montana, on May 21, 1954, led by diesel locomotive number 6506 in new Raymond Loewy colors, train in mixed new and old colors. Image light-struck. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Northern Pacific 5105, a class Z-6, 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, 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.