The Northern Pacific Depot at Minneapolis, Minnesota, circa 1969. The second depot is pictured, from the Northern Pacific Railroad Historical Association Collection, photograph by Joe Caron.

Northern Pacific (Burlington Northern when photographed) depot at Missoula, Montana, night, September 5, 1970.

The Northern Pacific Depot at Missoula, Montana, circa 1890. The second depot is pictured, from the Walter W. Ainsworth Collection.

The Northern Pacific Depot at Missoula, Montana, circa 1890, from the Northern Pacific Railroad Historical Association Collection.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

Northern Pacific dispatching equipment at Missoula, Montana, circa 1960. New centralized traffic control (CTC) board and unidentified dispatcher, governing line between Missoula and Garrison. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, CTC equipment, train dispatcher

Northern Pacific dispatching equipment at Missoula, Montana, circa 1960. Portion of new centralized traffic control (CTC) board and unidentified dispatcher, governing line between Missoula and Garrison. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, CTC equipment, train dispatcher

Northern Pacific roundhouse (owned by the Burlington Northern since March 1, 1970) at Missoula, Montana, April 10, 1971.

Northern Pacific roundhouse (owned by the Burlington Northern since March 1, 1970) at Missoula, Montana, April 10, 1971.

Northern Pacific roundhouse (owned by the Burlington Northern since March 1, 1970) at Missoula, Montana, April 10, 1971.

Northern Pacific station at Missoula, Montana, circa 1910. Retouched photo of brick three-story station, passenger train with two steam locomotives, local passenger train with 4-4-0-type steam locomotive on house track, railroad employees working. Photo by Ron V. Nixon, J.M. Fredrickson collection.. Other Subject Classes: station, passenger train, steam locomotive, mountains