Plat Map of Northern Pacific facilities at Gibbon, Washington, December 18, 1945, Sheet Number 1, Line Segment 448, showing the Gibbon-Parker line.

Plat Map of Northern Pacific facilities at Gibbon, Washington, December 18, 1945, Sheet Number 2, Line Segment 448, showing the Gibbon-Parker line.

Plat Map of Northern Pacific facilities at Gibbon, Washington, December 18, 1945, Sheet Number 4, Line Segment 448, showing the Gibbon-Parker line.

Plat Map of Northern Pacific facilities at Gibbon, Washington, December 18, 1945, Sheet Number 3, Line Segment 448, showing the Gibbon-Parker line.