Northern Pacific F-9 diesel locomotive 6706A heads four other units waiting to head westbound from St. Paul Union Depot in Minnesota in 1965. Photo by GJ Werkema. Other subject classes: passenger train, diesel locomotive

Northern Pacific F-9 diesel locomotive 7003A enters a yard switch. GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Northern Pacific F-9 diesel locomotive 7008D in a yard at Spokane, Washington, on 1968. Blackhawk Films slide, GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Northern Pacific freight power 285 and 7005B prepare to leave Livingston, Montana, in January 1965. Northern Pacific 285, a type GP9 and 7005B. a type F9B were built by General Motors Electro-Motive Division in 1957 and 1954 respectively. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, switcher locomotive, GP9

Eastbound train number 640 rounds Borup Loop, Washington, to gain elevation on its way toward New Stampede and Tunnel 4, on April 19, 1962. J.M. Fredrickson collection. Other Subject Classes: diesel locomotive, freight train, mountains.

Northern Pacific freight train west of Livingston, Montana, circa 1955; Electro-Motive Division model F9 diesel freight locomotive leads a long freight train with deadhead passenger cars in front. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, passenger car

Northern Pacific FT diesel locomotive 5400D moves through a yard at Portland, Oregon, in 1965. Blackhawk Films slide, GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Northern Pacific GP-9 diesel locomotive 229 and two brother GP-9s lead a freight train at an unknown location. GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Northern Pacific GP-9 diesel locomotive 300 leads a freight train into the yard at Livingston, Montana. GJ Werkema collection. Other subject classes: freight train, diesel locomotive

Northern Pacific GP-9 diesel locomotive 329 leads a freight train south bound at Centralia, Washington in 1965.