Northern Pacific 6052A leads the second section of freight train number 679 with high clearance Boeing parts cars down the South Tacoma hill and across Pacific Avenue in Tacoma, Washington, on March 10, 1969. The train was routed over the Prairie Line because of a low clearance bridge over the mainline near the Tacoma Union Depot. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, grade crossing.

Northern Pacific 6502C leads the Morning Star, the Portland to Seattle connection with the Southern Pacific west coast freight traffic, east of McCarver Street in Tacoma, Washington, in May 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Northern Pacific 6502C leads the Morning Star west (railroad north) at Reservation, Washington, on February 22, 1970. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Northern Pacific diesel passenger unit number 6505, the third, trailing unit of the three-unit 6505 set built by Electro-Motive Division in 1947, on Northern Pacific passenger train number 1, the westbound North Coast Limited, at Easton, Washington, in 1950. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Northern Pacific 7000, an F9 set, helps a westbound extra freight led by Northern Pacific 5120 up Bozeman Pass at Muir, Montana, in May 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, helper locomotive, wood caboose.

Northern Pacific 7000, an F9 set, helps a westbound extra freight led by Northern Pacific 5120 up Bozeman Pass at Muir, Montana, in May 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, helper locomotive, wood caboose.

Northern Pacific 7000, an F9 set, helps a westbound extra freight led by Northern Pacific 5120 up Bozeman Pass at Muir, Montana, in May 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, helper locomotive, wood caboose.

Electro-Motive Division F9, Northern Pacific 7001D, leads an extra freight east out of Stampede Tunnel number 3 at Martin, Washington, in April 1961. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, snow shed.

Northern Pacific 7004A leads two GE U-boats and an SD-45 with eastbound train number 606 through the yard at Lester, Washington, on July 09, 1967. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive, freight yard.

Northern Pacific 7007A leads the first section of train number 603 through the yard at Bozeman, Montana, on June 07, 1955. This train consisted of 71 loads, 2 empties and 3554 tons and was crewed by conductor Benson and engineer McGuire. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, freight yard.