Colorado & Southern Railway
Denver - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961

Engine 638 - April 1961