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Spokane, Portland and Seattle Railway Engineering Drawing: Steel Sheet Piling, Bridge 24.8 - Washougal River (West End), Camas, Washington, Line Segment 047, Milepost 24.75. Sheet NN - 263, undated.

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

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

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Girder, Bridge E85.0, Sidney, Oregon, Line Segment 442, Milepost 85.00. Sheet Y - 5 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Fit - Proposed Changes, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0. Sheet NN - 292, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel End Ties, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet NO - 291, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Scale. Sheet NO - 341, undated.