Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 406, an E9A SN 21602 former Milwaukee 30C and 200C at Minneapolis, Minnesota on June 19, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

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 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 9758 at Northtown Shops in Minneapolis, Minnesota in 1976. Number 9758 is a F7A built by the Electro-Motive Division of General Motors (EMD), builder's number 17917.

Burlington Northern diesel locomotive 113, formerly Northern Pacific 113, at Minneapolis, Minnesota, on June 19, 1973. Number 113 is an SW7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1354, formerly Great Northern 904, at Minneapolis, Minnesota in August 1972. Number 1354 is an S-2 built by General Motors Electro Motive Division (EMD), builder's number 25062. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1354, formerly Great Northern 904, at Minneapolis, Minnesota in August 1972. Number 1354 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 25062. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse, heater car.