Great Northern tower at Grand Forks, North Dakota, undated. P.A. tower, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern tower at Grand Forks, North Dakota, undated. P.A. tower, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern tower at Grand Forks, North Dakota, undated. P.A. tower, photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern Railway Grand Forks, North Dakota depot in 1973. Other subject classes: Depot

Great Northern depot at Grand Forks, North Dakota, undated. Used as an office building, photograph by Don Tank.

Great Northern depot at Grand Forks, North Dakota, undated. Photograph by Harold Hall, from the Norm Keyes Collection.

Great Northern depot at Grand Forks, North Dakota, undated. Photograph by Jack Porzig, from the Norm Keyes Collection.

Great Northern depot at Grand Forks, North Dakota, undated. Photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Grand Forks, North Dakota, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern depot at Grand Forks, North Dakota, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.