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 2524, a General Electric U25C, leads SD45s 3608 and 3621 and an eastbound extra freight by the depot at Missoula, Montana, in July 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, passenger depot.

Northern Pacific 2524, a General Electric U25C, leads SD45s 3608 and 3621 and an eastbound extra freight out of Missoula, Montana, in July 1968. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, passenger depot.

Northern Pacific 6707A (part of the Burlington Northern since March 1, 1970), an Electro-Motive Division Type F5A, and 6700B, a Type F5B on Train 30 at Missoula, Montana, May 17, 1970.

Northern Pacific 6707A (part of the Burlington Northern since March 1, 1970), an Electro-Motive Division Type F5A, and 6700B, a Type F5B on Train 30 at Missoula, Montana, May 17, 1970.

Northern Pacific diesel locomotive number 5403 in the engine facility at Missoula, Montana, on April 24, 1950. NP 5403 is an FT built by Electro Motive Division of General Motors Company in 1944. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight locomotive

Northern Pacific diesel locomotive number 6506 in the engine facility at Missoula, Montana, on August 20, 1949. NP 6506 is an F-3 built by Electro Motive Division of General Motors Company in 1947. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive,

Northern Pacific Number 6703A, an Electro-Motive Division (EMD) Type F9A, at Missoula, Montana, June 1969.

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 Engineering Drawing: Abutments 1/3, Bridge 118 - Van Buren Street, Missoula, Montana, Line Segment 042, Milepost 118.7. Sheet 447 - 25, undated.

Northern Pacific Engineering Drawing: Change In Abutment/Pier, Bridge 122.2 - Grant Creek, west of Missoula, Montana, Line Segment 042, Milepost 122.9. Sheet 441 - 21, undated.

Northern Pacific Engineering Drawing: Detail Piers and Tie Plan, Bridge 0 - Missoula River, south of Missoula, Montana, Line Segment 333, Milepost 0.5. Sheet 1076 - 63, undated.

Northern Pacific Engineering Drawing: Detail Plan Masonry Extension, Bridge 122A, west of Missoula, Montana, Line Segment 042, Milepost 122.5. Sheet 441 - 41, 1910. Note: Steel span - second track