Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A22.2 - Underpass, west of Scappoose, Oregon, Line Segment 440, Milepost 22.14. Sheet WW 374 - A, 1969.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A20.8 (166.1) - Scappoose Creek, west of Scappoose, Oregon, Line Segment 440, Milepost 20.82. Sheet SS - 629, 1952.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A16.9 (169), west of Holbrook, Oregon, Line Segment 440, Milepost 16.86. Sheet RR - 498, 1960.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet NO - 238, 1932.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet TV - 429, 1962.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 75.3 - Sawmill Road, Bingen, Washington, Line Segment 047, Milepost 75.29. Sheet 00 - 620 A, 1969.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet NO 466, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet TV - 240, 1967.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet AA603, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge 7.0 - Maegley Junction, East Saint Johns, Oregon, Line Segment 047, Milepost 7.05. Sheet TV - 267, 1923.