Great Northern depot at Sioux Center, Iowa, undated. Photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Sioux Center, Iowa, undated. Photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Sioux Center, Iowa, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern depot at Sioux Center, Iowa, undated. Photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Sioux Center, Iowa, undated. Photograph by Eley, from the Norm Keyes Collection.

Sioux Center, Iowa Great Northern depot looking southeast in August 1968. Photograph by Charles W. Bohi.

Sioux Center, Iowa Great Northern depot with horizontal three light train order on roof, track side view, waiting room end, wooden construction, Walter Ainsworth photo, 1960 or later.