Burlington Northern diesel locomotive 5728 at 26th and University Avenue Northeast, Minneapolis, Minnesota on November 19, 1980. Number 5728 is a U33C built by General Electric (GE), builder's number 37688. The McMillan Company mill is in the background. Photo by Al Christianson.

Burlington Northern diesel locomotive 573, formerly Chicago, Burlington and Quincy 9413B, at Dayton's Bluff, Minnesota, on May 20, 1973. Number 573 is an NW2 built by General Motors Electro Motive Division (EMD), builder's number 8599. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5735 at Saint Paul, Minnesota, on August 24, 1972. Number 5735 is a U33C built by General Electric, builder's number 37972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5750 at Mississippi Street yard southbound, leading a train with the Maryland Avenue East overpass in the background, Saint Paul, Minnesota on August 5, 1979. Number 5750 is a U33C built by General Electric (GE), builder's number 37987. Photo by Tom Carlson.

Burlington Northern diesel locomotive 5754 at Minneapolis, Minnesota on February 26, 1979. Number 5754 is a U33C built by General Electric (GE), builder's number 37991. Photo by Gene Hetherington.

Burlington Northern diesel locomotive 5764 in a roster shot at Dayton's Bluff, Saint Paul, Minnesota on March 11, 1980. Number 5764 is a U33C built by General Electric (GE). Photo by Al Christianson.

Burlington Northern diesel locomotive 5764 leading a train at Dayton's Bluff, Saint Paul, Minnesota on March 11, 1980. Number 5764 is a U33C built by General Electric (GE). Photo by Al Christianson.

Burlington Northern diesel locomotive 5944 leading a coal train at Fergus Falls, Minnesota on April 2, 1979. Number 5944 is a U30C built by General Electric (GE), builder's number 40607. The consist includes Milwaukee Road diesel locomotive 100. Photo by Al Christianson.

Burlington Northern diesel locomotive 6022 at Saint Paul, Minnesota on April 7, 1981. Number 6022 is an SD7 built by Electro-Motive Division (GM), builder's number 17903. Photo by Al Christianson.

Burlington Northern diesel locomotive 6054 at Saint Paul, Minnesota on March 2, 1981. Number 6054 is an SD7 built by Electro-Motive Division (GM), builder's number 17402. Photo by Al Christianson.