Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Tow Brace, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 38, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 11 - 30, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 27, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 36, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Struts, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 11 - 33, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 8, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 24, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Laterals, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 21, undated.