Northern Pacific diesel locomotive number 7004D in the engine facility at Auburn, Washington, on May 07, 1968. NP 7004D is an F-9 built by Electro Motive Division of General Motors Company in 1954. U25C NP 2520 is also in the photo. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7004D in the engine facility at Auburn, Washington, on May 07, 1968. NP 7004D is an F-9 built by Electro Motive Division of General Motors Company in 1954. U25C NP 2520 is also in the photo. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7004A in the engine facility at Auburn, Washington, on June 1967. NP 7004A is an F-9 built by Electro Motive Division of General Motors Company in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7002A in the engine facility at Auburn, Washington, on October 1968. NP 7002A is an F-9 built by Electro Motive Division of General Motors Company in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7001D in the engine facility at Auburn, Washington, on October 1968. NP 7001D is an F-9 built by Electro Motive Division of General Motors Company in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7001A in the engine facility at Auburn, Washington, on July 24, 1967. NP 7001A is an F-9 built by Electro Motive Division of General Motors Company in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 7001A in the engine facility at Auburn, Washington, on July 24, 1967. NP 7001A is an F-9 built by Electro Motive Division of General Motors Company in 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 651 in an engine facility circa 1950. NP 651 is a VO 660 built by Baldwin in 1941. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 6506 at Auburn, Washington, on June 09, 1954. NP 6506 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6506 in the engine facility at Auburn, Washington, on May 09, 1948. NP 6506 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,