Northern Pacific diesel locomotive number 2524 in the engine facility at Auburn, Washington, on July 24, 1967. NP 2524 is a U25C built by General Electric in 1965. The unit is coupled to sister NP 2507. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2527 in the engine facility at Auburn, Washington, on October 1969. NP 2527 is a U25C built by General Electric in 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2528 in the engine facility at Auburn, Washington, on March 21, 1967. NP 2528 is a U25C built by General Electric in 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2529 in the engine facility at Auburn, Washington, on May 1968. NP 2529 is a U25C built by General Electric in 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2529 in the engine facility at Auburn, Washington, on 1968. NP 2529 is a U25C built by General Electric in 1965. Also pictured is NP 161, a SW 1200. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 254 at the roundhouse at Auburn, Washington, on May 07, 1968. NP 252, is a GP-9 built by Electro Motive Division of General Motors Company in 1956, at the Auburn roundhouse in 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 259 in the yard at Auburn, Washington, on August 08, 1967. NP 259 is a GP-9 built by Electro Motive Division of General Motors Company in 1956. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 2801 in the engine facility at Auburn, Washington, on May 25, 1970. NP 2801 is a U28C built by General Electric in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2803 in the engine facility at Auburn, Washington, on February 1967. NP 2803 is a U28C built by General Electric in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2803 in the engine facility at Auburn, Washington, on February 1967. NP 2803 is a U28C built by General Electric in 1966. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive