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 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 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 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 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 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.