Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Industry Switch, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 19, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: 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: Rail Locks, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 2 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Railroad Crossing, Bridge 5.7 - Union Pacific Railroad, north of Willbridge, Oregon, Line Segment 047, Milepost 5.73. Sheet AA - 4056, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Reconstruct Bridge 5, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Reduction Shaft Bearings, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 2 - 14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Remodel Houses, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet NO - 414, 1962.

Spokane, Portland and Seattle Railway Engineering Drawing: Renew Sidewalks, Bridge 5.8 - Willamette Boulevard, north of Willbridge, Oregon, Line Segment 047, Milepost 5.80. Sheet AA502 - A, 1964.

Spokane, Portland and Seattle Railway Engineering Drawing: Renew Sidewalks, Bridge 6.7 - Lombard Street, north of Willbridge, Oregon, Line Segment 047, Milepost 6.70. Sheet AA - 502A, 1964.