Burlington Northern 592, formerly Northern Pacific 106, waits on a service track at St. Paul, Minnesota, on June 5, 1971. The locomotive was built by General Motors Electromotive Division as a type NW2 diesel switcher in 1941. Other subject classes: diesel locomotive, switcher locomotive, NW2

Burlington Northern computer center at Saint Paul, Minnesota, on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: computer center.

Burlington Northern diesel locomotive 144, formerly Great Northern 12, at St Paul, Minnesota, on June 21, 1973. Number 144 is an SW7 built by General Motors Electro Motive Division (EMD), builder's number 10870. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 144, formerly Great Northern 1, at St Paul, Minnesota, on June 21, 1973. Number 144 is an SW7 built by General Motors Electro Motive Division (EMD), builder's number 10870. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 153, formerly Great Northern 21, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 153 is an SW9 built by General Motors Electro Motive Division (EMD), builder's number 13301. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 166, formerly Great Northern 33, at St Paul, Minnesota, on June 21, 1973. Number 166 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 22485. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1952, formerly Northern Pacific 373, at Mississippi Street, Minnesota, on August 24, 1972. Number 1952 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 24473. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 199, formerly Northern Pacific 140, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 199 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21180. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

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.