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

Plat Map of Northern Pacific facilities at Brace, Washington, April 12, 1926, Sheet Number 2, Line Segment 445, showing the Brace-Tieton line.

Plat Map of Northern Pacific facilities at Brace, Washington, April 12, 1926, Sheet Number 1, Line Segment 445, showing the Brace-Tieton line.

Plat Map of Northern Pacific facilities at Bradley, Montana, December 10, 1915, Sheet Number 3, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bradley, Montana, December 10, 1915, Sheet Number 1, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bradley, Montana, December 10, 1915, Sheet Number 2, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Bradman, Montana, November 1, 1989, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Bradman, Montana, November 1, 1989, Sheet Number 2, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Bremerton Junction, Washington, March 1, 1953, Sheet Number 1, Line Segment 425, 426, showing the Bremerton-Bremerton Junction line, Bangor-Shelton line.

Plat Map of Northern Pacific facilities at Bremerton Junction, Washington, March 1, 1953, Sheet Number 2, Line Segment 425, 426, showing the Bremerton-Bremerton Junction line, Bangor-Shelton line.