Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - C, 1958.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - F, 1960.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - H, 1961.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO 431, 1963.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Rods, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - C, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Topography, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet N - 1 - 14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: west Span Layout, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - D, undated.