Plat Map of Northern Pacific facilities at Shelton, Washington, September 1, 1926, Sheet Number 2, Line Segment 425, showing the Shelton-Elma line.

Plat Map of Northern Pacific facilities at Shelton, Washington, September 1, 1926, Sheet Number 1, Line Segment 425, showing the Shelton-Elma line.

Plat Map of Northern Pacific facilities at Shelton, Washington, March 1, 1953, Sheet Number 3, Line Segment 425, showing the Shelton-Elma line.

Plat Map of Northern Pacific facilities at Shelton, Washington, March 1, 1953, Sheet Number 4, Line Segment 425, showing the Shelton-Elma line.

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

Plat Map of Northern Pacific facilities at Shelton, Washington, undated, Sheet Number 2, Line Segment 425, showing the Shelton-Elma line, Simpson Logging Company trackage.