Plat Map of Northern Pacific facilities at Wilsall, Montana, July 9, 1917, Drawing Number 86623, Sheet Number 2, Line Segment 331, showing the Mission-Wilsall line.

Plat Map of Northern Pacific facilities at Wilsall, Montana, July 9, 1917, Drawing Number 86623, Sheet Number 1, Line Segment 331, showing the Mission-Wilsall line.

Plat Map of Northern Pacific facilities at Winlock, Washington, June 10, 1914, Sheet Number 1, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at Winlock, Washington, June 10, 1914, Sheet Number 2, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at Winlock, Washington, June 10, 1914, Sheet Number 2, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at Winlock, Washington, June 10, 1914, Sheet Number 1, Line Segment 52, showing the Tacoma-Vancouver line.

Plat Map of Northern Pacific facilities at Winston, Montana, December 6, 1932, Drawing Number 31059, Sheet Number 1, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Winston, Montana, December 6, 1932, Drawing Number 31059, Sheet Number 3, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Winston, Montana, December 6, 1932, Drawing Number 31059, Sheet Number 4, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Winston, Montana, December 6, 1932, Drawing Number 31059, Sheet Number 2, Line Segment 41, showing the Billings-Helena line.