Burlington Northern Diesel Locomotive, Type SW9 Number 158 at Hoffman Avenue in Saint Paul, Minnesota on April 7, 1979. Number 158 was built by Electro-Motive Division (EMD) in February, 1952 as Northern Pacific Number 117, Builder Number 15686. It was retired in July, 1985. Front 3/4 view, engineer's side. Photo by Al Christianson.

Burlington Northern GP39-2 Number 2705 at Saint Paul, Minnesota on March 12, 1981. Number 2705 was built by Electro-Motive Division (EMD) in March 1981. Builder Number 806037-6. It became BNSF Number 2705. Photo by Al Christianson.

Burlington Northern GP39-2 Number 2738 with a wind speed monitoring device mounted to the front anticlimber at Saint Paul, Minnesota on February 22, 1982. Number 2738 was built by Electro-Motive Division (EMD) in April 1981. Builder Number 806037-39. It became BNSF Number 2738. Photo by Al Christianson.

Burlington Northern GP40 Number 3029, former Burlington Number 629; Southern Pacific U33C Number unknown; Union Pacific SD40-2 Number unknown; Union Pacific SD40-2 Number unknown; in Saint Paul, Minnesota with detour piggyback freight on February 16, 1980. Photo by Al Christianson.

Burlington Northern NW2 Number 452, former Great Northern Number 104, in Saint Paul, Minnesota on April 9, 1979. Photo by Al Christianson.

Burlington Northern NW2 Number 452, former Great Northern Number 104, in Saint Paul, Minnesota on April 9, 1979. Photo by Al Christianson.

Burlington Northern diesel locomotive 5450 at Dayton's Bluff, Saint Paul, Minnesota on April 14, 1981. Number 5450 is a U28B built by General Electric (GE). From the Al Christianson Collection, the photographer is Al Christianson.

Burlington Northern diesel locomotive 5450 at Dayton's Bluff, Saint Paul, Minnesota on April 14, 1981. Number 5450 is a U28B built by General Electric (GE). From the Al Christianson Collection, the photographer is Al Christianson.

Burlington Northern diesel locomotive 5477 at Saint Paul, Minnisota on November 6, 1980. Number 5477 is a U30B built by General Electric (GE). From the Al Christianson Collection, the photographer is Al Christianson.

Burlington Northern diesel locomotive 5617 at Saint Paul, Minnesota on February 29, 1980. Number 5617 is a U25C built by General Electric (GE). From the Al Christianson Collection, the photographer is Al Christianson.