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 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 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 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 2523 control stand at Auburn, Washington, in May 1968. NP 2523 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 2523 control stand at Auburn, Washington, in May 1968. NP 2523 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 2523 in the engine facility at Auburn, Washington, on September 04, 1967. NP 2523 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 2521 in the engine facility at Auburn, Washington, on April 08, 1968. NP 2521 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 2522 in the engine facility at Auburn, Washington, on April 08, 1968. NP 2522 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 2521 in the engine facility at Auburn, Washington, on October 09, 1967. NP 2521 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 2520 in the engine facility at Auburn, Washington, on May 07, 1968. NP 2520 is a U25C built by General Electric in 1965, parked near the Auburn roundhouse in 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2520 in the engine facility at Auburn, Washington, on May 07, 1968. NP 2520 is a U25C built by General Electric in 1965. The Auburn roundhouse appears in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2516 in the engine facility at Auburn, Washington, on May 1968. NP 2516 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 2520 in the engine facility at Auburn, Washington, in 1968. NP 2520 is a U25C built by General Electric in 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 2512 in the engine facility at Auburn, Washington, on October 09, 1967. NP 2512 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2510 in the engine facility at Auburn, Washington, on March 21, 1967. NP 2510 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2508 in the engine facility at Auburn, Washington, on July 02, 1967. NP 2508 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 251 in the engine facility at Auburn, Washington, on March 24, 1970. NP 251 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 2508 in the engine facility at Auburn, Washington, on March 21, 1967. NP 2508 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2506 in the engine facility at Auburn, Washington, on April 08, 1963. NP 2506 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2505 in the engine facility at Auburn, Washington, in 1967. NP 2505 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2506 in the engine facility at Auburn, Washington, on April 08, 1968. NP 2506 is a U25C built by General Electric in 1964. It is coupled to F-9B NP 7012B. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 2506 in the engine facility at Auburn, Washington, on April 08, 1968. NP 2506 is a U25C built by General Electric in 1964. The unit is coupled to F-9 NP 7012B. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2503 in the engine facility at Auburn, Washington, on March 21, 1967. NP 2503 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2505 in the engine facility at Auburn, Washington, on March 21, 1967. NP 2505 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2505 in the engine facility at Auburn, Washington, in 1967. NP 2505 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2505 in the engine facility at Auburn, Washington, on May 26, 1967. NP 2505 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 2500 in the engine facility at Auburn, Washington, on March 17, 1970. NP 2500 is a U25C built by General Electric in 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 917 in a yard at Tacoma, Washington, on July 15, 1970. NP 917 is a RS-11 built by American Locomotive Company in 1960. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher