Burlington Northern diesel locomotive 1877, formerly Northern Pacific 254, at Auburn, Washington, on June 21, 1971. Number 1877 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21099. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1875, formerly Northern Pacific 252, at Auburn, Washington, on June 03, 1976. Number 1875 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21097. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1874, formerly Northern Pacific 251, at Auburn, Washington, on August 17, 1970. Number 1874 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21096. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1873, formerly Northern Pacific 250, at Auburn, Washington, on May 19, 1971. Number 1873 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21095. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1872, formerly Northern Pacific 249, at Auburn, Washington, on August 15, 1980. Number 1872 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1872, formerly Northern Pacific 249, at Auburn, Washington, on April 14, 1971. Number 1872 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21094. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1871, formerly Northern Pacific 248, at Auburn, Washington in 1979. Number 1871 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21093. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1871, formerly Northern Pacific 248, at Auburn, Washington, on May 25, 1971. Number 1871 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21093. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1866, formerly Northern Pacific 240, at Auburn, Washington, on May 19, 1971. Number 1866 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20643. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1866, formerly Northern Pacific 240, at Auburn, Washington, on May 19, 1971. Number 1866 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20643. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.