Northern Pacific steam locomotive 5002 while in helper service at Bozeman, Montana, circa 1952. Number 5002 is a class Z-5 built by Baldwin in 1930. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific passenger train number 26, the eastbound Vista-Dome North Coast Limited, at Belgrade, Montana, behind three-unit diesel locomotive led by unit 6505A, in June 1955. Conductor Larson, engineer Norris. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Northern Pacific passenger train number 25, the westbound Vista-Dome North Coast Limited, arrives at Bozeman, Montana, on June 7, 1955. Rear of train with sleeper-observation car, Pullmans. John Hutching, conductor; Charlie Graves, engineer. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, passenger car, railroad yard

Northern Pacific passenger train number 25, the westbound Vista-Dome North Coast Limited, led by new F9 diesel locomotive number 6700, near Bozeman, Montana, on June 7, 1955. John Hutching, conductor; Charlie Graves, engineer. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive

Plat Map of Northern Pacific facilities at Bozeman, Montana, June 1, 1974, Drawing Number 30981-1, Sheet Number 1, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bozeman, Montana, June 1, 1974, Drawing Number 30981-1, Sheet Number 3, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bozeman, Montana, June 1, 1974, Drawing Number 30981-1, Sheet Number 2, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bozeman, Montana, undated, Drawing Number 30981-3, Sheet Number 2, Line Segment 41, showing the Billings-Helena line, Story mill spur.

Plat Map of Northern Pacific facilities at Bozeman, Montana, undated, Drawing Number 30981-2, Sheet Number 2, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bozeman, Montana, undated, Drawing Number 30981-3, Sheet Number 1, Line Segment 41, showing the Billings-Helena line, Story mill spur.