Great Northern unit grain train in Montana bound for Portland, Oregon. Other subject categories: Freight

Great Northern grain loading into covered hoppers at Wolf Point, Montana The Great Northern depot is in the background. Other subject categories: Industry

Great Northern depot at Wolf Point, Montana, undated. Photograph by Bradley, from the Norm Keyes Collection.

Great Northern depot at Wolf Point, Montana, undated. Photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Wolf Point, Montana, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern depot at Wolf Point, Montana, undated. Photograph by Harold Hall, from the Norm Keyes Collection.

Great Northern depot at Wolf Point, Montana, undated. Loading dock, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Wolf Point, Montana, undated. Loading dock, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern crewman signals from caboose X-114 as a 50-car unit grain train departs Wolf Point, Montana for Portland, Oregon. Other subject categories: Freight