Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E20.1 - Highway 26, south of Bowers Junction, Oregon, Line Segment 442, Milepost 22.09. Sheet WX - 189, 1950.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E17.3 - Underpass, Bowers Junction, Oregon, Line Segment 442, Milepost 17.39. Sheet WW - 109, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E126.9 - Willamette River, south of Harrisburg, Oregon, Line Segment 442, Milepost 125.99. Sheet WX - 225, 1959.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge E126.9 - Willamette River, south of Harrisburg, Oregon, Line Segment 442, Milepost 125.99. Sheet WW - 108, 1951.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A84.8 - Blind Slough, west of Clifton, Oregon, Line Segment 440, Milepost 84.71. Sheet PQ - 360, 1959.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A62.7 - Clatskanie River, west of Clatskanie, Oregon, Line Segment 440, Milepost 62.67. Sheet NO - 297, 1951.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A60.2 - Beaver Creek, west of Mayger, Oregon, Line Segment 440, Milepost 60.17. Sheet RR - 496, 1957.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A51.3 - Rinearson Slough, west of Reichhold, Oregon, Line Segment 440, Milepost 51.30. Sheet WW - 387, 1954.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A35.5 (151) - Tide Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 35.45. Sheet TV 272 - A, 1963.
Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plan, Bridge A34.4 - Merrill Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 34.36. Sheet TV - 300, 1957.