Plat Map of Northern Pacific facilities at Snake River Junction, Washington, undated, Sheet Number 1, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Northern Pacific facilities at Snake River Junction, Washington, undated, Sheet Number 2, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Snake River Junction, Washington, May 14, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Snake River Junction, Washington, May 14, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.