Burlington Northern diesel locomotive 735, formerly Northern Pacific 6014C, at Auburn, Washington, on February 17, 1971. Number 735 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 14267. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 734, formerly Northern Pacific 6014D, at Tacoma, Washington, on March 15, 1971. Number 734 is an F7, GP9 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 734, formerly Northern Pacific 6014D, at Tacoma, Washington, on March 15, 1971. Number 734 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14255. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 734, formerly Northern Pacific 6014D, at Auburn, Washington in April 1972. Number 734 is an F7, GP30, F45 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 734, formerly Northern Pacific 6014D, at Auburn, Washington, on March 01, 1971. Number 734 is an F7, GP9 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 734 at Auburn, Washington, on March 15, 1971. Burlington Northern train 174, the Auburn to Pasco service is led by 734, 757, 761, 694, 1919, 1917 and two other units around the Seattle leg of the wye. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 733, formerly Northern Pacific 6014B, at Minneapolis Jct., Minnesota, on June 19, 1973. Number 733 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 14266. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 732, formerly Northern Pacific 6014A, at Tacoma, Washington in June 1971. Number 732 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14254. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 730, formerly Northern Pacific 6013D, at Minneapolis, Minnesota in August 1972. Number 730 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14253. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure.

Burlington Northern diesel locomotive 730, formerly Northern Pacific 6013D, at Minneapolis, Minnesota, on August 24, 1972. Number 730 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14253. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure.