Burlington Northern 8034 leading a train on Stone Arch Bridge in Minneapolis, Minnesota on July 19, 1980. Number 8034 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786216-4. Photo by Al Christianson.

Burlington Northern 8087 leading a train at Dayton's Bluff in Saint Paul, Minnesota on April 10, 1981. Number 8087 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number A3766.

Burlington Northern 8139 leading a train in Big Lake, Minnesota on June 7, 1981. Number 8139 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-50. Photo by Al Christianson.

Burlington Northern 8155 leading a train in Minneapolis, Minnesota on February 6, 1982. Number 8155 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-66. Photo by Al Christianson.

Burlington Northern 8158 leading a train in Minneapolis, Minnesota on April 7, 1981. Number 8158 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-69. Photo by Al Christianson.

Burlington Northern 8167 leading a train in Minneapolis, Minnesota on February 6, 1982. Number 8167 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-78. Photo by Al Christianson.

Burlington Northern 8178 leading a train in Big Lake, Minnesota on August 24, 1980. Number 8178 is a SD40-2 built by the Electro-Motive Division of General Motors (EMD), builder's number 786256-89. 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 6113 leading a train at Tilden Junction, Minnesota on July 4, 1981. Number 6113 is an SD9 built by Electro-Motive Division (GM), builder's number 22488. Photo by Al Christianson.

Burlington Northern 6502 is leading a trailer on flat car (TOFC) train at Minneapolis, Minnesota on Janruary 30, 1981. Number 6502 is an SD45 built by Electro-Motive Division (EMD), builder's number 37110. Photo by Al Christianson.