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.