Northern Pacific passenger train number 4, the eastbound Alaskan, rounds the curve entering Stampede, Washington, in September 1949, led by new passenger diesel unit number 6506, built by Electro-Motive Division that year. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, mountains

Northern Pacific passenger train number 4, the eastbound Alaskan, approaching New Stampede, Washington, on a snowy but sunny day in 1949. Leading is brand-new passenger diesel locomotive number 6510, three-unit 4500-hp. model F7, built that year by Electro-Motive Division of General Motors. The seven-car secondary transcontinental train consists of Railway Post Office car, baggage, coaches, cafe car. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, mountains

Northern Pacific passenger train number 4, the eastbound Alaskan, pauses at the summit of Stampede Pass at Martin in 1949. Leading is new Electro-Motive Division passenger diesel unit number 6506. The engineers looks back for the highball, the rear of the train is still inside Stampede Tunnel, beneath waterfall. J.M. Fredrickson Collection. Other Subject Classes: passenger train, diesel locomotive, railroad crew, mountains

Northern Pacific passenger train number 4, the eastbound Alaskan, stops at the station at Easton, Washington, circa 1945. New 5400-hp Model FT diesel freight locomotive, built in 1944 by Electro-Motive Division of General Motors, has assisted the Pacific-type steam locomotive over Stampede Pass and will be taken off here. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, steam locomotive, station, railroad yard, mountains

Northern Pacific 915 and 6019A parked at the engine facility in Livingston, Montana, in 1965. Northern Pacific 915, a type RS-11 was built by American Locomotive Company in 1960, while Northern Pacific 6019A, a type F7A built by General Motors Electro-Motive Division in 1951. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, switcher locomotive, RS-11

Northern Pacific 910 parked at the engine facility at Northtown yard in Minneapolis, Minnesota, in 1968. Northern Pacific 910, a type RS-11 was built by American Locomotive Company in 1958. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, switcher locomotive, RS-11

The hostler positions Northern Pacific 900 and 903 next to the Rices Point roundhouse in Duluth, Minnesota, in August 1963. Both are American Locomotive Company type RS11s built in 1958. Other subject classes: diesel locomotive, switcher locomotive, RS11

Northern Pacific 861 parked at the engine facility at Rices Point in Duluth, Minnesota, in 1969. Northern Pacific 861, a type RS-2 was built by American Locomotive Company in 1955. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, switcher locomotive, RS-3

Northern Pacific 858 waits next to the Northtown roundhouse in Minneapolis, Minnesota, in 1968. Northern Pacific 858, a type RS-3 was built by American Locomotive Company in 1955. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, switcher locomotive, RS-3

Northern Pacific 803 waits in Rices Point yard in Duluth, Minnesota, in 1962. Northern Pacific 803, a type RS-1 was built by American Locomotive Company in 1945. Other subject classes: diesel locomotive, switcher locomotive, RS-1