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

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

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

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

Plat Map of Northern Pacific facilities at Thorp, Washington, May 21, 1931, Sheet Number 2, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Thorp, Washington, May 21, 1931, Sheet Number 3, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Thorp, Washington, May 21, 1931, Sheet Number 4, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Thorp, Washington, May 21, 1931, Sheet Number 1, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Northern Pacific facilities at Thornwood, Washington, October 18, 1916, Sheet Number 1, Line Segment 403, showing the Seattle-Sumas line.

Plat Map of Northern Pacific facilities at Thornwood, Washington, October 18, 1916, Sheet Number 2, Line Segment 403, showing the Seattle-Sumas line.