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Spokane, Portland and Seattle Railway Engineering Drawing: Progress Profile, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet BB - 549, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile, Bridge E98.6 - Calapooia River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet WX - 103A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet WX - 103A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile Sketch, Bridge A60.2 - Beaver Creek, west of Mayger, Oregon, Line Segment 440, Milepost 60.17. Sheet RR - 433, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile of San River, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet S - 7 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile of Mill Creek, Bridge E71.6 - Mill Creek, south of Salem, Oregon, Line Segment 442, Milepost 71.26. Sheet T - 6 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Profile and Map, Bridge T67.0 - Eagle Creek, Dant, Oregon, Line Segment 053, Milepost 67.00. Sheet 0 - 3 - 23, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Probing Survey, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet CL - 106 - 17, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Precast Shims, Bridge 44.3 - Woodard Creek, east of Skamania, Washington, Line Segment 047, Milepost 44.30. Sheet SS 631, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pre - Boring/Cap/Sill, Bridge U12.0 - Details, west of United Junction, Oregon, Line Segment 442, Milepost 12.00. Sheet RS - 265, 1946.