Northern Pacific station at Billings, Montana, circa 1950. Overhead view looking west, brick baggage annex, Chicago Burlington & Quincy passenger train standing, mainline and yard tracks, box cars standing on industry siding, downtown street, commercial buildings. Photo by J.M. Fredrickson. Other Subject Classes: station, passenger train, track, freight car, town scene, commercial building

Northern Pacific station at Billings, Montana, circa 1950. Out-of-focus overhead view of tracks and track work, workers. Photo by J.M. Fredrickson. Other Subject Classes: station, track, railroad employee

Northern Pacific station at Billings, Montana, circa 1950. Overhead view of brick station, tracks, platform renewal work in progress, workers, passenger cars in house track. Photo by J.M. Fredrickson. Other Subject Classes: station, track, railroad employee, passenger car

Northern Pacific station at Billings, Montana, circa 1909. Postcard of brick two-story station, people in front. Photo by Charles E. Morris, J.M. Fredrickson collection. Other Subject Classes: station, people

Northern Pacific Railroad observation car, Tacoma Club at Missoula, Montana, on August 20, 1948. Passenger car Tacoma Club, later number 392, an 85-foot lightweight Pullman observation built by Pullman Standard in 1949. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, observation car, Pullman.

Northern Pacific Railroad track inspection car, number 2 at Easton, Washington, circa 1962. Hy-rail detector car on mountain grade between Easton and Martin. Photo by Tim J. Fredrickson, J.M. Fredrickson Collection. Other Subject Classes: company equipment, Hyrail Detector Car, track inspection

Northern Pacific Railroad Dome coach number 555 at Missoula, Montana, in June 1955, having its windows cleaned on westbound North Coast Limited train number 25. Passenger car 555, an 85-foot dome coach built by Budd in 1954. Photo by J.M. Fredrickson. Other Subject Classes: passenger car, dome-coach car.

Northern Pacific type GP9 211 and former Northern Pacific steam locomotive tender being used as water car at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Car-Water.

Northern Pacific wood caboose 1209 at Butte, Montana with Union Pacific passenger train in the background in 1964. Photograph by Alden Raney. Other subject classes: Caboose-Wood, Train-Passenger.