Northern Pacific diesel locomotive number 214 in the engine facility at Auburn, Washington, on September 14, 1970. NP 214 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Sister unit NP 250 is in the background. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 222 in the engine facility at Auburn, Washington. NP 222 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 230 in the engine facility at Auburn, Washington, on May 07, 1968. NP 230 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 230 in the engine facility at Auburn, Washington, on May 07, 1968. NP 230 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 234 in the engine facility at Auburn, Washington, on January 1970. NP 234 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 237 in the engine facility at Auburn, Washington, on August 17, 1970. NP 237 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 239 in the engine facility at Auburn, Washington, on December 29, 1970. NP 239 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 239 in the engine facility at Auburn, Washington, on September 14, 1970. NP 239 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 239 in the engine facility at Auburn, Washington, on December 29, 1970. NP 239 is a GP-9 built by Electro Motive Division of General Motors Company in 1955. A worker is wiping the number boards. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

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

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 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 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 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 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 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 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 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 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 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 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 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 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