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 5601, formerly Northern Pacific 2501, at Minneapolis, Minnesota, on August 24, 1972. Number 5601 is a U25C built by General Electric, builder's number 35036. 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.

Burlington Northern diesel locomotive 5617, formerly Northern Pacific 2517, at Mississippi Street, Minnesota, on August 24, 1972. Number 5617 is a U25C built by General Electric, builder's number 35584. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5626, formerly Northern Pacific 2526, at St Paul, Minnesota, on June 26, 1973. Number 5626 is a U25C built by General Electric, builder's number 35593. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5626, formerly Northern Pacific 2526, at St Paul, Minnesota, on June 26, 1973. Number 5626 is a U25C built by General Electric, builder's number 35593. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5633, formerly Chicago, Burlington and Quincy 553, at Mississippi Street, Minnesota, on August 24, 1972. Number 5633 is a U25C built by General Electric, builder's number 35600. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5651, formerly Chicago, Burlington and Quincy 563, at Mississippi Street, Minnesota, on June 21, 1973. Number 5651 is a U28C built by General Electric, builder's number 35752. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5651, formerly Chicago, Burlington and Quincy 563, at Mississippi Street, Minnesota, on June 21, 1973. Number 5651 is a U28C built by General Electric, builder's number 35752. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 571, formerly Chicago, Burlington and Quincy 9412B, at Dayton's Bluff, Minnesota, on June 20, 1973. Number 571 is an NW2 built by General Motors Electro Motive Division (EMD), builder's number 8598. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.