Burlington Northern diesel locomotive 201, formerly Northern Pacific 142, at Vancouver, Washington, on January 28, 1972. Number 201 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21433. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2012, formerly Great Northern 2012, at Minneapolis, Minnesota, on August 24, 1972. Number 2012 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25700. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2014, formerly Great Northern 2014, at Minneapolis, Minnesota, on June 21, 1973. Number 2014 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25702. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 2017, formerly Great Northern 2017, at Minneapolis Jct., Minnesota, on June 19, 1973. Number 2017 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25705. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, bridge.

Burlington Northern diesel locomotive 2017 at Minneapolis Jct., Minnesota, on June 19, 1973. Number 2017, a GP20 is shown with F7B number 733 on an ore train. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2017, formerly Great Northern 2017, at Minneapolis, Minnesota, on August 24, 1972. Number 2017 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25705. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 2018, formerly Great Northern 2018, at Ottumwa, Iowa, on August 29, 1972. Number 2018 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 26286. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 2019, formerly Great Northern 2019, at Mississippi Street, Minnesota, on June 20, 1973. Number 2019 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 26287. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 202, formerly Northern Pacific 143, at Tacoma, Washington, on February 16, 1971. Number 202 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21434. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 2023, formerly Great Northern 2023, at Minneapolis, Minnesota, on June 20, 1973. Number 2023 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 26291. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.