Colorado & Southern Railway
Rocky Mountain Railroad Club Excursion - Denver to Longmont - October 25, 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954

Engine 646 - October 1954