Burlington Northern diesel locomotive 710, formerly Northern Pacific 6007A, at Auburn, Washington, on July 24, 1970. Number 710 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10908. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 712, formerly Northern Pacific 6007D, at Auburn, Washington, on March 29, 1971. Number 712 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10909. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 712 at Auburn, Washington, on March 29, 1971. Number 712, an ex-Northern Pacific F7A, is shown with U30C number 5730. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 714, formerly Northern Pacific 6008D, at Auburn, Washington, on April 01, 1971. Number 714 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10911. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 720, formerly Northern Pacific 6010A, at Auburn, Washington, on March 01, 1971. Number 720 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10914. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 720, formerly Northern Pacific 6010A, at Auburn, Washington, on March 01, 1971. Number 720 is an F7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 720, formerly Northern Pacific 6010A, at Auburn, Washington in August 1975. Number 720 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10914. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 720 at Auburn, Washington in 1979. Number 720, an ex-Northern Pacific F7A, is shown with ex Great Northern F7B number 9721 and GP20 2101. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 724, formerly Northern Pacific 6513C, at Auburn, Washington in November 1970. Number 724 is an F7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 724, formerly Northern Pacific 6513C, at Auburn, Washington in November 1970. Number 724 is an F7, GP9, C636 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 724, formerly Northern Pacific 6012A, at Auburn, Washington, on March 29, 1971. Number 724 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10918. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern (BN) diesel locomotive 726, formerly Northern Pacific 6601/BN9794, at Auburn, Washington in 1980. Number 726 is an FP-7A built by General Motors Electro Motive Division (EMD), builder's number 15682. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, accident.

Burlington Northern diesel locomotive 730, formerly Northern Pacific 6013D, at Auburn, Washington, on May 04, 1976. 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, locomotive facility.

Burlington Northern diesel locomotive 730 at Auburn, Washington in March 1978. This engine was wrecked in a head on collision in South Seattle. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, accident.

Burlington Northern diesel locomotive 730 at Auburn, Washington in March 1978. This engine was wrecked in a head on collision in South Seattle. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, accident.

Burlington Northern diesel locomotive 730 at Auburn, Washington in March 1978. Number 730 was involved in a head on collision in South Seattle. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, accident.

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 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 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 738, formerly Northern Pacific 6015D, at Auburn, Washington in October 1975. Number 738 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14257. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 738, formerly Northern Pacific 6015D, at Auburn, Washington in 1979. Number 738 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14257. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 743, formerly Northern Pacific 6016C, at Auburn, Washington, circa 1971. Number 743 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 14271. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 744 at Auburn, Washington, on March 01, 1971. Numbers 744, 4069, 1781 and 668 lead a freight train. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, snow and ice.

Burlington Northern diesel locomotive 744, formerly Northern Pacific 6017A, at Auburn, Washington, on March 01, 1971. Number 744 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14260. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 744 at Auburn, Washington, on March 01, 1971. Number 744 is an F7A and is shown with RS-3 number 4069 and GP9 number 1781. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, snow and ice.

Burlington Northern diesel locomotive 744 at Auburn, Washington, on March 01, 1971. Number 744 leads train number 139, Seattle to Stockton, California time freight at Stuck River Bridge, Auburn. The train operated via Vancouver, Washington, Wishram, Washington and Bieber, California. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, truss bridge.

Burlington Northern diesel locomotive 745, formerly Northern Pacific 6017B, at Auburn, Washington, on March 01, 1971. Number 745 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 14272. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 748, formerly Northern Pacific 6018A, at Auburn, Washington, on April 01, 1971. Number 748 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14262. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.