Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 1 - 9 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 14 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 14 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 2 - 18 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 21 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 5.8 - Willamette Boulevard, north of Willbridge, Oregon, Line Segment 047, Milepost 5.80. Sheet AA - 502, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 304.4 - Cow Creek, north of Hooper, Washington, Line Segment 047, Milepost 304.4. Sheet 0 - 1 - 5, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, Line Segment 047, Milepost 291.4. Sheet TV - 288, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Stress Sheet, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0, undated.