Northern Pacific passenger train number 1, the westbound Mainstreeter, at East Auburn, Washington, on May 7, 1968, led by diesel locomotive number 6502A, a 1500-hp model F3 built by Electro-Motive Division in 1947. Other Subject Classes: passenger train, diesel locomotive, passenger station

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stands at the station at Missoula, Montana, in July 1968. Laborer refuels the two diesel locomotive units, baggage and mail are transferred at the baggage car, and a few passengers board the coaches. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, passenger station, diesel locomotive, railroad crew

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stopped at Paradise, Montana, in July 1968. Two-unit diesel locomotive led by unit number 6703C, leads the seven-car train made up of baggage car, coaches, cafeteria car, sleeping car, and business car for company officials. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, railroad yard

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stands at the station at Sandpoint, Idaho, in July 1968, behind two-unit diesel locomotive led by number 6703C, a 1750-hp model F9, built by Electro-Motive Division in 1956.Seven-car train consists of baggage car, coaches, cafeteria car, sleeping car, and business car for company officials. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, passenger station

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stands at Sandpoint, Idaho, in July 1968, behind two-unit diesel locomotive led by number 6703C, a 1750-hp model F9, built by Electro-Motive Division in 1956. Seven-car train consists of baggage car, coaches, cafeteria car, sleeping car, and business car for company officials. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stands at the station at Spokane, Washington, in July 1968, behind two-unit diesel locomotive led by number 6703C, a 1750-hp model F9, built by Electro-Motive Division in 1956. Seven-car train consists of baggage car, coaches, cafeteria car, sleeping car, and business car for company officials. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, passenger station

Northern Pacific passenger train Extra 6511C West, the westbound Mainstreeter, arrives at Tacoma, Washington, on December 10, 1956, behind three-unit diesel locomotive led by unit number 6511C. Train detoured via SP&S from Pasco and NP from Vancouver, Washington, due to a washout on Stampede Pass at Martin. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, railroad yard, detour

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stopped beneath the signal gantry at the station at Thompson Falls, Montana, in July 1968. Two-unit diesel locomotive led by unit number 6703C leads the seven-car train made up of baggage car, coaches, cafeteria car, sleeping car, and business car for company officials. At left is a GP9 diesel locomotive laying over between local freight runs. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, station, signal equipment, diesel locomotive

Northern Pacific passenger train number 2, the eastbound Mainstreeter, stopped at the station at Missoula, Montana, circa 1953. Powered by a three-unit diesel locomotive led by number 6502, a 1500-hp model F7 built in 1949 by Electro-Motive Division. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, passenger station, diesel locomotive

Northern Pacific passenger train number 1, the westbound Mainstreeter, climbs Bozeman Pass west of Livingston, Montana, circa 1954. Seventeen-car train includes three-unit diesel locomotive, nine cars of mail and express, coaches, dining car, Pullman sleeping cars, Pullman sleeper-observation car. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, passenger car