Soo Line depot at Paynesville, Minnesota, undated. Soo Line depot, photograph by Jack Porzig, from the Norm Keyes Collection.

Saint Paul Union Depot at Saint Paul, Minnesota on September 24, 1967.

Northern Pacific station at North Bemidji, Minnesota, on May 26, 1954. Frame station. Photo by J.M. Fredrickson. Other Subject Classes: station

Northern Pacific station at Manitoba Junction, Minnesota, circa 1955. View from eastbound train Number 2, The Mainstreeter, of frame station, train order and block signals, diverging track, baggage carts. Photo by J.M. Fredrickson. Other Subject Classes: station, signal, track, baggage cart

Northern Pacific depot at Red Lake Falls, Minnesota, undated. Northern Pacific depot, photograph by Norm Keyes, from the Norm Keyes Collection.

Northern Pacific depot at Fergus Falls, Minnesota, undated. Northern Pacific depot, photograph by Norm Keyes, from the Norm Keyes Collection.

Minneapolis, Minnesota depot on a winter evening with the Empire Builder and the North Coast Limited passenger trains. Photograph by Tom Tennesen.

Great Northern yard office at Breckenridge, Minnesota, undated. Yard office, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern yard office at Breckenridge, Minnesota, undated. Yard office, photograph by Harold Hall, from the Norm Keyes Collection.

Great Northern tower at Saint Paul, Minnesota, undated. Westminster tower, photograph by Norm Keyes, from the Norm Keyes Collection.