Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 20, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagonal and Strut, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet 777 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details Truss, 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: Shop Plan - Details of Transverse Brace, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details Casting, 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: Shop Plan - Details - Girder, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Girder, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Details - Girder, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.