Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Sway Brace, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 13, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts/Frame, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 12 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 53, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 52, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 27, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 28, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 26, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 11, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts, Bridge 304.4 - Cow Creek, north of Hooper, Washington, Line Segment 047, Milepost 304.4. Sheet 422 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Struts and Diagonal, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 10, undated.