Great Northern steam locomotive 1326 (former Butte, Anaconda, and Pacific Railway) at Butte, Montana, on May 8, 1932.

Great Northern Steam Locomotive Number 1327 at Butte, Montana, 1932.

Great Northern Steam Locomotive Number 1327 and water tank, formerly Butte, Anaconda & Pacific, Class F-12, at Butte, Montana, 1932.

Great Northern steam locomotive 1369 at Butte, Montana in 1940.

Great Northern Steam Locomotive Number 1719 at Butte, Montana, 1947.

Great Northern steam locomotive 1983 in Butte, Montana on August 19, 1939.

Great Northern steam locomotive 1984 in Butte, Montana on July 27, 1939.

Great Northern Steam Locomotive Number 94 at Butte, Montana, 1922.

On board Northern Pacific passenger train number 4, the eastbound Alaskan, in the Rocky Mountains on August 19, 1949. Looking from rear of train forward to mail cars and steam locomotive, the train has been detoured off its normal route via Helena and is running via Butte and Homestake Pass. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, passenger car, steam locomotive, mountains

On board Northern Pacific passenger train number 4, the eastbound Alaskan, in the Rocky Mountains on August 19, 1949. Looking from rear of train forward to mail cars and steam locomotive, crossing viaduct, the train has been detoured off its normal route via Helena and is running via Butte and Homestake Pass. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, steam locomotive, bridge, mountains