Burlington Northern diesel locomotive 4184, formerly Northern Pacific 904, at Tacoma, Washington, on October 20, 1980. Number 4184 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82948. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4183, formerly Northern Pacific 903, at McCarver Street, Washington, on March 17, 1971. Number 4183 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82882. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure, salt water.

Burlington Northern diesel locomotive 4183, formerly Northern Pacific 903, at McCarver Street, Tacoma, Washington, on March 17, 1971. Number 4183 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82882. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure, salt water.

Burlington Northern diesel locomotive 4181, formerly Northern Pacific 901, at Vancouver, Washington, on July 31, 1973. Number 4181 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82831. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 4181, formerly Northern Pacific 901, at Vancouver, Washington, on July 31, 1973. Number 4181 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82831. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 4180, formerly Northern Pacific 900, at Vancouver, Washington, on February 12, 1976. Number 4180 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82830. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 4180, formerly Northern Pacific 900, at Tacoma, Washington, on April 11, 1971. Number 4180 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82830. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4180, formerly Northern Pacific 900, at Seattle, Washington, on February 02, 1971. Number 4180 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82830. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 417, formerly Northern Pacific 417, at Auburn, Washington, on May 25, 1971. Number 417 is a VO-1000 built by Baldwin, builder's number 72025. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 415, formerly Northern Pacific 415, at Tacoma, Washington, on January 05, 1971. Number 415 is a VO-1000 built by Baldwin, builder's number 72023. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight yard.