Plat Map of Northern Pacific facilities at Post, Montana, April 9, 1914, Sheet Number 1, Line Segment 333, showing the Missoula-Darby line.

Plat Map of Northern Pacific facilities at Potlatch, Idaho, June 30, 1914, Sheet Number 2, Line Segment 384, showing the Marshall-Arrow line.

Plat Map of Northern Pacific facilities at Potlatch, Idaho, June 30, 1914, Sheet Number 1, Line Segment 384, showing the Marshall-Arrow line.

Plat Map of Northern Pacific facilities at Prosser, Washington, undated, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Prosser, Washington, undated, Sheet Number 4, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Prosser, Washington, undated, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Prosser, Washington, undated, Sheet Number 3, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Providence, Washington, January 10, 1907, Sheet Number 3, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Northern Pacific facilities at Providence, Washington, January 10, 1907, Sheet Number 1, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Northern Pacific facilities at Providence, Washington, January 10, 1907, Sheet Number 2, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.