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 diesel locomotive 724 at McCarver Street, Tacoma, Washington, on March 16, 1971. Number 724, formerly a Northern Pacific F7A unit, is show with ex Northern Pacific RS-11 number 4183. Note the Top of the Ocean Restaurant in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, salt water.

Burlington Northern diesel locomotive 725 at Tacoma, Washington, on June 18, 1970. Number 725 is an F7B and is shown with Spokane, Portland and Seattle C425 number 317. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 725, formerly Northern Pacific 6011C, at Tacoma, Washington, on June 18, 1970. Number 725 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 10929. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

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 726 at Tacoma, Washington in July 1979. Burlington Northern train No. 53675, the Seattle to Portland local freight led by 726, 720 and 322 southbound at the grain terminal. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 727, formerly Northern Pacific 6012B, at Tacoma, Washington, on March 24, 1971. Number 727 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 10930. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

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 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 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 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 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.