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 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 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 393 at Dayton's Bluff, Minnesota, on June 20, 1973. Number 393 is an SW1000 built by General Motors Electro Motive Division (EMD), builder's number 4624-4. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight yard.

Burlington Northern diesel locomotive 393 at Mississippi Street, Minnesota, on June 21, 1973. Number 393 is an SW1500 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 393 at St Paul, Minnesota, on June 21, 1973. Number 393 is an SW1000 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 394 at Dayton's Bluff, Minnesota, on June 20, 1973. Number 394 is an SW1000 built by General Motors Electro Motive Division (EMD), builder's number 4624-5. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 548, formerly Chicago, Burlington and Quincy 9402A, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 548 is an NW2 built by General Motors Electro Motive Division (EMD), builder's number 6563. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 555, formerly Chicago, Burlington and Quincy 9404B, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 555 is an NW2 built by General Motors Electro Motive Division (EMD), builder's number 6571. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5612, formerly Northern Pacific 2512, at St Paul, Minnesota, on June 19, 1973. Number 5612 is a U25C built by General Electric, builder's number 35047. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.