Butte, Anaconda and Pacific Railroad shop buildings at Butte, Montana with former wood caboose used as building in 1964. Photograph by Alden Raney. Other subject classes: Shed-Car.

Butte, Anaconda and Pacific Railway type GP7 101 at Rocker, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Butte, Anaconda and Pacific Railway type GP7 102 with ballast train at Butte, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Butte, Anaconda and Pacific Railway type GP7's 102 and 101 at Rocker, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Butte, Anaconda and Pacific Railway type GP9's 106 and 107 at Rocker, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Butte, Anaconda and Pacific Railway type GP9's 107 and 106 at Rocker, Montana in 1964. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

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, Milwaukee, St. Paul & Pacific Railroad Company electric locomotive number E-10 at Missoula, Montana, circa 1948. Milwaukee Road E-10 leads passenger train No. 18 west of Missoula circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company electric locomotive number E-4 at Anaconda, Montana, on April 09, 1960. Milwaukee Road bipolars E-4 and E-1 parked at the engine facility in Anaconda in 1960. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: electric locomotive, locomotive facility.