Spokane, Portland and Seattle Railway Engineering Drawing: Fish Ladder, Bridge A34.4 - Merrill Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 34.36. Sheet NO.388, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Firewall - Pile Trestle, Bridge U16.7 - Underpass, west of United Junction, Oregon, Line Segment 442, Milepost 16.62. Sheet NO - 300, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Field Splice, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Field Splice, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework, Bridge E20.1 - Highway 26, south of Bowers Junction, Oregon, Line Segment 442, Milepost 22.09. Sheet WX - 175, 1950.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Plans, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet WX - 109, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Plan, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet WX - 168, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Plan, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet WX - 167, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Plan, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0. Sheet NO - 235, 1926.

Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Pile Plan, Bridge E40.3 - Underpass, Oregon, Line Segment 442, Milepost 40.3. Sheet PQ - 302, undated.