Northern Pacific Engineering Drawing: Unloading Platform at Milton-Freewater, Oregon, prepared in 1961. Burlington Northern File Number 5221, Reference Number 10106, Sheet 001.

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 3, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 1, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 2, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).