Plat Map of Northern Pacific facilities at Avon, Montana, undated, Sheet Number 3, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Avon, Montana, undated, Sheet Number 2, Line Segment 41, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Austin, Montana, undated, Drawing Number 31092, Sheet Number 3, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Austin, Montana, undated, Drawing Number 31092, Sheet Number 2, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Austin, Montana, undated, Drawing Number 31092, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Auburn, Washington, undated, Sheet Number 4, Line Segment 606, showing the Auburn Yard, south end.

Plat Map of Northern Pacific facilities at Auburn, Washington, undated, Sheet Number 3, Line Segment 606, showing the Auburn Yard, south end, industry spurs.

Plat Map of Northern Pacific facilities at Auburn, Washington, undated, Sheet Number 1, Line Segment 606, showing the Auburn Yard.

Plat Map of Northern Pacific facilities at Auburn, Washington, undated, Sheet Number 2, Line Segment 606, showing the Auburn Yard, south end, industry spurs.

Plat Map of Northern Pacific facilities at Auburn, Washington, March 12, 1941, Sheet Number 2, Line Segment 51, showing the Seattle-Tacoma line, downtown, industry spurs.