Spokane, Portland and Seattle Railway Engineering Drawing: Retaining Walls, Bridge 6.7 - Fessenden Street, north of Willbridge, Oregon, Line Segment 047, Milepost 6.70. Sheet WW - 381, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shafts and Doors, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 8 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shims for Girder, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet WW - 353, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - 107 - T Gear, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 30, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Alter Drum, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bar, Pins, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 39, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 18, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 19, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bill of Material, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 21, undated.