Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 4, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 2, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Livingston, Montana, May 1, 1974, Drawing Number 30956, Sheet Number 3, Line Segment 710, showing the Livingston yard.

Plat Map of Northern Pacific facilities at Livingston, Montana, May 1, 1974, Drawing Number 30956, Sheet Number 2, Line Segment 710, showing the Livingston yard, depot, shops.

Plat Map of Northern Pacific facilities at Livingston, Montana, May 1, 1974, Drawing Number 30956, Sheet Number 1, Line Segment 710, showing the Livingston yard.

Plat Map of Northern Pacific facilities at Livingston, Montana, May 1, 1974, Drawing Number 30956, Sheet Number 4, Line Segment 710, showing the Livingston yard.

Plat Map of Northern Pacific facilities at Livingston, Montana, February 12, 1963, Drawing Number 30956-2, Sheet Number 1, Line Segment 710, showing the Livingston yard, Park branch.

Plat Map of Northern Pacific facilities at Livingston, Montana, February 12, 1963, Drawing Number 30956-2, Sheet Number 2, Line Segment 710, showing the Livingston yard, Park branch.

Plat Map of Northern Pacific facilities at Little Rock, Washington, December 14, 1910, Sheet Number 2, Line Segment 402, showing the Saint Clair-Moclips line.