Burlington Northern diesel locomotive 1857, formerly Northern Pacific 231, at Auburn, Washington, on May 26, 1976. Number 1857 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20318. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1859, formerly Northern Pacific 233, at Auburn, Washington, on July 21, 1980. Number 1859 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20370. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, turntable.

Burlington Northern diesel locomotive 1860, formerly Northern Pacific 234, at Auburn, Washington, on March 01, 1971. Number 1860 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20371. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

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.

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 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 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 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 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.