Spokane, Portland and Seattle Railway Engineering Drawing: New east Abutment, Bridge 53.5 - Rock Creek, east of North Bonneville, Washington, Line Segment 047, Milepost 53.54. Sheet AA 409, 1911.

Spokane, Portland and Seattle Railway Engineering Drawing: New and Present west Abutment, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet AA417, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: New and Present west Abutment, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet AA - 305A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: New and Present east Abutment, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet AA - 306, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: New and Pres west Abutment, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet AA - 308, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: New and Pres east Abutment, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet AA - 309, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: New Abutment and Change, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet AA - 366, 1913.

Spokane, Portland and Seattle Railway Engineering Drawing: Nehalem Boom Over - Crossing, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 442, Milepost 10.19. Sheet B - 290, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Navigation Lighting Details, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 26, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Navigation Lamps, Bridge E126.9 - Willamette River, south of Harrisburg, Oregon, Line Segment 442, Milepost 125.99. Sheet V - 4 - 5, undated.