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Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 99.87. Sheet SS - 451, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet WX - 165, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet WX - 164, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge A27.4 (159) - Milton Creek, west of Saint Helens, Oregon, Line Segment 440, Milepost 22.40. Sheet WW - 375, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet 00 338A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 75.3 - Sawmill Road, Bingen, Washington, Line Segment 047, Milepost 75.29. Sheet 00 - 620, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 31.8 - Underpass, Foster, Oregon, Line Segment 457, Milepost 31.83. Sheet WX - 162, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0. Sheet NO - 410, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0. Sheet N0 - 410A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet NO - 237, undated.