Spokane, Portland and Seattle Railway Engineering Drawing: Cross Frames, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Counterweight End Lift Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 8 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Controller Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 13, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Controller Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Control Stand Detail, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 20, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Circuit Breaker Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 29, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Chord, Laterals and Packing, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Chain Link Fence, Bridge 6.2 - Lombard Street, north of Willbridge, Oregon, Line Segment 047, Milepost 6.20. Sheet AA502, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Center Tower and Portals, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 1 - 5, undated.