Burlington Northern diesel locomotive 5609, formerly Northern Pacific 2509, at Auburn, Washington, circa 1973. Number 5609 is a U25C built by General Electric, builder's number 35044. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5610, formerly Northern Pacific 2510, at Auburn, Washington, on January 04, 1971. Number 5610 is a U25C built by General Electric, builder's number 35045. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5611, formerly Northern Pacific 2511, at Easton, Washington, on July 21, 1970. Number 5611 is a U25C built by General Electric, builder's number 35046. 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 5623, formerly Northern Pacific 2523, at Livingston, Montana, on September 07, 1972. Number 5623 is a U25C built by General Electric, builder's number 35590. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5624, formerly Northern Pacific 2524, at Auburn, Washington, on September 02, 1970. Number 5624 is a U25C built by General Electric, builder's number 35591. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 5624, formerly Northern Pacific 2524, at Auburn, Washington, on September 02, 1970. Number 5624 is a U25C built by General Electric, builder's number 35591. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 5624, formerly Northern Pacific 2524, at Auburn, Washington, on September 02, 1970. Number 5624 is a U25C built by General Electric, builder's number 35591. 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.