Spokane, Portland and Seattle Railway Engineering Drawing: Details of Ties, Bridge 5.7 - Union Pacific Railroad, north of Willbridge, Oregon, Line Segment 047, Milepost 5.73. Sheet 00 - 631, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details of Ties, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet WW - 352, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details of Rail Locks, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details of Floor, 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: Details of Floor Beams, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details of Brake, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 6, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: Details End Bearings, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details 90 Foot 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: Detail of Tie, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet TV - 238, undated.