Burlington Northern diesel locomotive 5609 at Auburn, Washington, on July 24, 1970. Number 5609, a U25C, is shown with GP35 number 2542 alongside the Auburn diesel locomotive shop. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5604, formerly Northern Pacific 2504, at Auburn, Washington, on August 04, 1970. Number 5604 is a U25C built by General Electric, builder's number 35039. 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 555, formerly Chicago, Burlington and Quincy 9404B, at Tulsa, Oklahoma, on June 27, 1982. 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 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 5499 (a Class B32-8) at Yardley, Washington on September 24, 1986. Photograph by Katon Serafine.

Burlington Northern diesel locomotive 5499 (a Class B32-8) at Northtown, Minnesota on September 7, 1985. Photograph by Wade Griffis.