Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, June 30, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, June 30, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, November 6, 1913, Sheet Number 3, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, November 6, 1913, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, November 6, 1913, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, November 6, 1913, Sheet Number 4, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Ainsworth Junction, Washington, November 6, 1913, Sheet Number 5, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Pacific Coast Railroad facilities at Seattle, Washington, January 14, 1972, Sheet Number 8, showing the East Marginal Way, industry spurs, aerial survey map.

Plat Map of Pacific Coast Railroad facilities at Seattle, Washington, April 1, 1916, Sheet Number 2, Line Segment 410, showing the Spokane Street-Maple Valley line, Argo Yard, north end, East Marginal Way.

Plat Map of Pacific Coast Railroad facilities at Seattle, Washington, April 1, 1916, Sheet Number 2, Line Segment 410, showing the Spokane Street-Maple Valley line, Argo Yard,ÿeast end, interlocking.