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 744 at La Grange, Illinois, on August 26, 1972. The photo shows bi-level cars on rear of a commuter train. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, passenger car.

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.

Burlington Northern diesel locomotive 749, formerly Northern Pacific 6018B, at Sandpoint, Idaho, on August 04, 1971. Number 749 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 14274. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 75, formerly Saint Louis and San Francisco 300, at Tulsa, Oklahoma, on June 27, 1982. Number 75 is an SW7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: fuel tender.

Burlington Northern diesel locomotive 750, formerly Northern Pacific 6018D, at Tacoma, Washington, on September 20, 1971. Number 750 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 14263. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 7501, formerly Burlington Northern 6337/6914, at Portland, Oregon in August 1984. Number 7501 is an SD40-2B built by General Motors Electro Motive Division (EMD), builder's number 5803-13. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 7502 at Willmar, Minnesota on June 30, 1990. 3502 is an SD40-2B, built by General Motors Electro-Motive Division (EMD), builder's number 72639-13. Photo taken by Howard Patrick.

Burlington Northern diesel locomotive 752, formerly Northern Pacific 6019A, at Auburn, Washington in 1971. Number 752 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15672. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 752, formerly Northern Pacific 6019A, at Auburn, Washington, circa 1971. Number 752 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15672. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 752 at Palmer Jct., Washington in July 1980. The train is the Enumclaw local returning from Enumclaw. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 752 at Palmer Jct., Washington in July 1980. The train is the Enumclaw local returning from Enumclaw. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, caboose

Burlington Northern diesel locomotive 752 at Veazey, Washington in July 1980. Number 752 is switching with 5 units and a caboose on the Enumclaw local. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 752 at Veazey, Washington in July 1980. Number 752 is switching with 5 units and a caboose on the Enumclaw local. Note Mount Rainier showing faintly in the background. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 753, formerly Northern Pacific 6019B, at Auburn, Washington, on May 19, 1971. Number 753 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 15676. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 753, formerly Northern Pacific 6019B, at Auburn, Washington in 1979. Number 753 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 15676. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 757, formerly Northern Pacific 6020B, at Auburn, Washington, on March 15, 1971. Number 757 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 15678. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight yard.

Burlington Northern diesel locomotive 758, formerly Northern Pacific 6020D, at Auburn, Washington, on March 01, 1971. Number 758 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15675. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 758, formerly Northern Pacific 6020D, at Auburn, Washington, on September 30, 1975. Number 758 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15675. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 758, formerly Northern Pacific 6020D, at Tacoma, Washington, on April 26, 1971. Number 758 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15675. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 758 at Tacoma, Washington in 1971. Numbers 758, 757 and three other units lead train number 139, Seattle to Stockton, CA time freight through Half Moon Yard in Tacoma. The train operated via Vancouver, WA, Wishram, WA and Bieber, CA. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 758, formerly Northern Pacific 6020D, at Tacoma, Washington, on October 20, 1980. Number 758 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 15675. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 76, formerly Saint Louis and San Francisco 301, at Tulsa, Oklahoma in 1982. Number 76 is an SW7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 760, formerly Northern Pacific 6006A/6051A, at Minneapolis, Minnesota, on June 21, 1973. Number 760 is an F5A built by General Motors Electro Motive Division (EMD), builder's number 6658. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 760, formerly Northern Pacific 6006A/6051A, at Tacoma, Washington, on August 27, 1971. Number 760 is an F5A built by General Motors Electro Motive Division (EMD), builder's number 6658. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.