Northern Pacific 6502C and 2501 wait for their next train at the diesel shop in Livingston, Montana, in 1965. Passenger power Northern Pacific 6502C, a type F7A built by General Motors Electro-Motive Division in 1948, and freight power Northern Pacific 2501, a type U25C built by General Electric in 1964. Other subject classes: diesel locomotive, F-7

Northern Pacific passenger power 6504A and 6503D wait at the diesel shop in Livingston, Montana, in 1965. Northern Pacific 6504A a type F3A and 6503D a type F5A, both built by General Motors Electro-Motive Division in 1947 and 1948 respectively. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, F-3

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 passenger train number 4, the eastbound Alaskan, stops at the station at Livingston, Montana, in August 1943. Giant Class Z-5 2-8-8-4 Yellowstone-type articulated steam locomotive number 5004 has assisted Class A-3 4-8-4 Northern-type steam passenger locomotive number 2665 over the 1.8% grade of Bozeman Pass and will be taken off here. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, steam locomotive, passenger station

A view of a westbound freight train climbing Bozeman Pass west of Livingston, Montana, in 1953. Photo by J.M. Fredrickson. Other Subject Classes: freight train.

Northern Pacific Number 1994, an Electro-Motive Division (EMD) GP18, at Livingston, Montana.

Northern Pacific Number 293, an Electro-Motive Division (EMD) GP9, at Livingston, Montana, June 1969.

Northern Pacific Number 364, an Electro-Motive Division (EMD) GP9, at Livingston, Montana, June 1969.

Northern Pacific Number 364, an Electro-Motive Division (EMD) GP9, at Livingston, Montana, June 1969.

Northern Pacific EMD FT Number 5401D, an Electro-Motive Division (EMD) Type FT,at Livingston, Montana, June 1969.