Burlington Northern diesel locomotive 1629, formerly Northern Pacific 555, at Auburn, Washington, on September 08, 1971. Number 1629 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15687. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1630, formerly Northern Pacific 556, at Auburn, Washington, on August 17, 1972. Number 1630 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15688. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1631, formerly Northern Pacific 557, at Auburn, Washington, on March 29, 1971. Number 1631 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15689. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1632, formerly Northern Pacific 558, at Auburn, Washington, on April 01, 1971. Number 1632 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 15690. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1632 at Tacoma, Washington in July 1979. Burlington Northern train No. 53676, the Portland to Seattle local freight led by 1632, 1920 and 1923 northbound. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 1633, formerly Northern Pacific 559, at Naples, Idaho, on August 04, 1971. Number 1633 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 17479. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1634, formerly Northern Pacific 560, at Auburn, Washington, on April 01, 1971. Number 1634 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 19031. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1634, formerly Northern Pacific 560, at Tacoma, Washington, on March 06, 1986. Number 1634 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 19031. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1637, formerly Northern Pacific 563, at Auburn, Washington, on March 29, 1971. Number 1637 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 19034. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1637, formerly Northern Pacific 563, at Auburn, Washington, on August 04, 1975. Number 1637 is a GP7 built by General Motors Electro Motive Division (EMD), builder's number 19034. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.