Northern Pacific diesel locomotive number 158 the yard at Dilworth, Minnesota, on September 1946. First NP 158 is a RS-1 built by American Locomotive Company in 1945. The unit was renumbered to 803 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific diesel locomotive number 500 Union Station Tacoma, Washington, in September, 1952 with the morning train No. 422 to Grays Harbor. NP 500 is an AS 415 built by Baldwin in 1948. This unit was renumbered from 175 to 500 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 550 in the yard at Dilworth, Minnesota, on May 20, 1952. NP 550 is a GP-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, road switcher

Northern Pacific diesel locomotive number 6003 in the yard at Dilworth, Minnesota, on May 20, 1952. NP 6003 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6011 in the yard at Dilworth, Minnesota, on May 24, 1954. NP 6011 is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 6012 in the yard at Dilworth, Minnesota, on May 20, 1952. NP 6012 is an F-7 built by Electro Motive Division of General Motors Company in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific diesel locomotive number 706 in the yard the Mandan, North Dakota, on April 26, 1950. NP 706 is an S-2 built by American Locomotive Company in 1943. This unit was originally numbered 117 and renumbered to 706 in 1950. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive

Northern Pacific passenger train number 123 stands in the station at Dilworth, Minnesota, on May 20, 1952, led by new Electro-Motive Division 1500-hp model GP7 diesel locomotive number 551. Made up of a combination baggage car-coach and coach, train ran from Winnipeg to Fargo via Manitoba Jct., leaving some cars at Manitoba Jct. for train number 2 to forward to St. Paul. J.M. Fredrickson Collection. Other Subject Classes: passenger train, diesel locomotive, station, freight house

Northern Pacific steam locomotive 1068 at Dilworth, Minnesota, on May 24, 1954. Number 1068 is a class L-9 built by Alco-Schenectady in 1912. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1212 at Dilworth, Minnesota, on May 24, 1954. Number 1212 is a class Y-3 built by Schenectady in 1901. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo