Burlington Northern diesel locomotive 6506 at Auburn, Washington, on July 19, 1972. Number 6506 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37114. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6507 at Minneapolis, Minnesota, on June 21, 1973. Number 6507 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37115. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6507C at Tacoma, Washington, in May 1970. Northern Pacific 6507C leads Burlington Northern train number 195 at Tacoma, Washington Union Station in 1970. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Burlington Northern diesel locomotive 6508 at Minneapolis, Minnesota, on August 24, 1972. Number 6508 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37116. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6508C at Tacoma, Washington in 1970. Train number 139, the Seattle to Stockton, CA, time freight, is led by ex-Northern Pacific numbers 6508C, 6502C and two other units at Half Moon Yard. This 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 6508C at Tacoma, Washington, on July 10, 1970. Train number 139, the Seattle to Stockton, California, time freight, is led by ex-Northern Pacific (NP) 6508C, ex-NP 6519B, number 9709, ex-Great Northern 3006, and ex-NP 6017A at Half Moon Yard. This train operated via Vancouver, Washington, Wishram, Washington and Bieber, California. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6508C at Tacoma, Washington in 1970. Number 6508C and five other units lead train number 147, Seattle to Portland time freight. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6508C at Tacoma, Washington, on July 10, 1970. Train number 139, the Seattle to Stockton, California, time freight, is led by ex-Northern Pacific (NP) 6508C, ex-NP 6519B, number 9709, ex-Great Northern 3006, and ex-NP 6017A at Half Moon Yard. This train operated via Vancouver, Washington, Wishram, Washington and Bieber, California. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 6509 at Auburn, Washington, on November 30, 1971. Number 6509 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37117. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6510 at Auburn, Washington, on March 27, 1973. Number 6510 is an SD45 built by General Motors Electro Motive Division (EMD), builder's number 37118. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.