Burlington Northern diesel locomotive 4184, formerly Northern Pacific 904, at Vancouver, Washington, on April 06, 1971. 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 4186, formerly Northern Pacific 906, at Vancouver, Washington, on January 28, 1972. Number 4186 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4187, formerly Northern Pacific 907, at McCarver Street, Tacoma, Washington, on March 16, 1971. Number 4187 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure, salt water.

Burlington Northern diesel locomotive 4187, formerly Northern Pacific 907, at McCarver Street, Tacoma, Washington, on March 16, 1971. Number 4187 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, salt water.

Burlington Northern diesel locomotive 4187 at Tacoma, Washington, on March 16, 1971. Numbers 4187, 4183, 724, and 4261 lead train number 139, Seattle to Stockton, California time freight, past McCarver Street. The train operated via Vancouver, Washington, Wishram, Washington and Bieber, California. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 4187, formerly Northern Pacific 907, at Tacoma, Washington, on December 30, 1971. Number 4187 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4187 at Tacoma, Washington, on March 16, 1971. Numbers 4187, 4183, 724, and 4261 lead train number 139, Seattle to Stockton, California time freight, past McCarver Street. The train operated via Vancouver, Washington, Wishram, Washington and Bieber, California. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 4187, formerly Northern Pacific 907, at Vancouver, Washington, on April 06, 1976. Number 4187 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82951. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4189, formerly Northern Pacific 909, at Tacoma, Washington, on January 09, 1972. Number 4189 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82953. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 4190, formerly Northern Pacific 910, at Vancouver, Washington, on January 28, 1972. Number 4190 is an RS-11 built by American Locomotive Company (ALCO), builder's number 82954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.