Burlington Northern diesel locomotive 2004, formerly Great Northern 2004, at Minneapolis, Minnesota, on August 24, 1972. Number 2004 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25565. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2002, formerly Great Northern 2002, at Tacoma, Washington in April 1971. Number 2002 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25563. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2001, formerly Great Northern 2001, at Tacoma, Washington, on July 10, 1971. Number 2001 is a GP20 built by General Motors Electro Motive Division (EMD), builder's number 25562. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 2001, formerly Great Northern 2556, at Tacoma, Washington, on July 10, 1971. Number 2001 is a GP20 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 200, formerly Northern Pacific 141, at Tacoma, Washington in 1980. Number 200 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21181. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 200, formerly Northern Pacific 141, at Tacoma, Washington in April 1971. Number 200 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21181. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure.

Burlington Northern diesel locomotive 200, formerly Northern Pacific 141, at Tacoma, Washington, on February 16, 1971. Number 200 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 21181. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1998, formerly Northern Pacific 384, at Sheridan, Wyoming, on September 01, 1972. Number 1998 is a GP18 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1995, formerly Northern Pacific 381, at Auburn, Washington, on April 01, 1971. Number 1995 is a GP9 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1991, formerly Northern Pacific 377, at Livingston, Montana, on September 01, 1972. Number 1991 is a GP9 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.