Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet NO - 236, 1931.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 24.8 - Washougal River (West End), Camas, Washington, Line Segment 047, Milepost 24.75, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 24.8 - Washougal River (West End), Camas, Washington, Line Segment 047, Milepost 24.75. Sheet TV - 241, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 15.5 - Tramway Opening, east of McLaughlin, Washington, Line Segment 047, Milepost 15.51. Sheet SS 603 - A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 15.5 - Tramway Opening, east of McLaughlin, Washington, Line Segment 047, Milepost 15.51. Sheet SS - 603, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.8 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.89. Sheet NO 454, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.34. Sheet SS - 647, 1969.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.34. Sheet NO 460, 1967.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 11.3 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.34. Sheet SS 615, 1950.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 0.84 - Deschutes River, Bend, Oregon, Line Segment 637, Milepost 0.84, undated.