Burlington Northern diesel locomotive 392 at Dayton's Bluff, Minnesota, on June 20, 1973. Number 392 is an SW1000 built by General Motors Electro Motive Division (EMD), builder's number 4624-3. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 318 at Dayton's Bluff, Minnesota, on June 20, 1973. Number 318 is an SW1500 built by General Motors Electro Motive Division (EMD), builder's number 71605. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 317 at St Paul, Minnesota, on June 21, 1973. Number 317 is an SW1500 built by General Motors Electro Motive Division (EMD), builder's number 71605. 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 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 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 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 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 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.