Great Northern depot at Yankton, South Dakota, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern depot at Yankton, South Dakota, undated. Relocated from its original site - used as a museum, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Yankton, South Dakota, undated. Relocated from its original site - used as a museum, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Yankton, South Dakota, undated. Relocated from its original site - used as a museum, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Yankton, South Dakota, undated. Relocated from its original site - used as a museum, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern depot at Yankton, South Dakota, undated. Relocated from its original site - used as a museum, photograph by Norm Keyes, from the Norm Keyes Collection.

Great Northern Diesel-Electric Car 2301 at Sioux Falls, South Dakota on July 23, 1942. The photograph shows an Electro-Motive Division Diesel-Electric Motor Car, Modle SE-106, and a passenger car. Railroad crew is visible along with a loaded baggage cart. Other subject classes: Motor Car, Train-Passenger, Car-Passenger

Great Northern Diesel-Electric Car 2317 at Watertown, South Dakota on June 25, 1992. The photograph shows an Electro-Motive Division Diesel-Electric Motor Car and a passenger car. Other subject classes: Motor Car, Train-Passenger, Car-Passenger

Great Northern Diesel-Electric Car 2325 at Sioux Falls, South Dakota on June 1, 1958. The photograph shows a Brill-Westinghouse Diesel-Electric Motor Car, Model 350, and a passenger car. Both are painted in the original Great Northern green and orange scheme. Other subject classes: Motor Car, Train-Passenger, Car-Passenger

Great Northern Elevator at Wentworth, South Dakota, undated. Showing local elevator, photograph by Norm Keyes, from the Norm Keyes Collection.