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 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 2514 and 2500 parked at the engine facility at Livingston, Montana, in 1965. Northern Pacific 2514 and 2500 are type U25C was built by General Electric in 1965 and 1964 respectively. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, U-25C

Northern Pacific 2500 parked at the engine facility at Livingston, Montana, in 1965. Northern Pacific 2500, a type U25C was built by General Motors Electro-Motive Division in 1964. This picture is a Blackhawk Films slide, copyright 1970 by The Eastin-Phelan Corp. Other subject classes: diesel locomotive, U-25C

Great Northern Railway Heater Car HC15, in Big Sky Blue color scheme at Livingston, Montana in 1974. Other subject classes: Heater Car

Great Northern Diesel Locomotive 82 at Livingston, Montana on May 23, 1970. The photograph shows an Electro-Motive Division Type SW-1, Great Northern Class SW-1. The locomotive is painted in the simplified green and orange scheme. Visible in the background are various railroad buildings, a small red tractor, and switch stands. Photograph by James Estes. Other subject classes: Locomotive-Diesel

Burlington Northern diesel locomotive 9788, formerly Northern Pacific 6513A, at Livingston, Montana, on September 02, 1972. Number 9788 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10855. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9788, formerly Northern Pacific 6513A, at Livingston, Montana, on September 02, 1972. Number 9788 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10855. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9775, formerly Northern Pacific 6505C/ 6017B/ 6006B/ 6551B, at Livingston, Montana, on September 02, 1972. Number 9775 is an F3B built by General Motors Electro Motive Division (EMD), builder's number 3872. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.