Chicago Burlington & Quincy troop train in the yard at Billings, Montana, circa 1945. Looking down from tower at steam locomotive and passenger cars, Northern Pacific steam switch engine number 21 and more passenger equipment standing in yard near passenger station. J.M. Fredrickson Collection. Other Subject Classes: troop train, steam locomotive, railroad yard, passenger station

Chicago, Burlington and Quincy Railroad  steam locomotive 2808 at Billings, Montana, on August 17, 1949. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Chicago, Burlington and Quincy Railroad  steam locomotive 2808 at Billings, Montana, on August 17, 1949. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Great Northern freight house at Billings, Montana, undated. Photograph by Robert Johnston, from the Norm Keyes Collection.

Great Northern Railway Stock car 56385, Blue at Billings, Montana in 1973. Other subject classes: Stock car

Great Northern Railway Outfit car X3430 at Billings, Montana in 1973. An ex-passenger car. Other subject classes: Outfit car

Great Northern Railway Passenger Car 1323, Vista Great Dome Car at Billings, Montana in 1973. Big Sky Blue color scheme. Other subject classes: Dome Coach, Passenger car

Great Northern Steam Locomotive Number 1420 at Billings, Montana, undated.

The Northern Pacific Depot at Big Timber, Montana, August 14, 1996. The third depot is pictured. Located at Milepost 81.2, photograph by Bob Foley.

The west end of Billings, Montana passenger depot. The second depot is pictured. Located at Milepost 101.6.