Spokane, Portland and Seattle Railway Engineering Drawing: Pier Details, Bridge 47.5 - Access Road, east of Skamania, Washington, Line Segment 047, Milepost 47.46. Sheet 315 - 6991 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier and Retaining Wall, Bridge 141.1 - Chapman Creek, east of Bates, Washington, Line Segment 047, Milepost 141.04. Sheet JDR - 1 - 4 - 11/7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier and Abutments, Bridge T67.0 - Eagle Creek, Dant, Oregon, Line Segment 053, Milepost 67.00. Sheet Z - 6 - 20 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier and Abutment Plan, Bridge T39.7 - Oak Canyon, Oakbrook, Oregon, Line Segment 053, Milepost 39.70. Sheet NO - 379, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier and Abutment Details, 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: Pier and Abutment Alterations, Bridge A35.5 (151) - Tide Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 35.45. Sheet PQ 358 - A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier Alterations, Bridge A34.4 - Merrill Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 34.36. Sheet N - 3 - 15, 1958.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier 2, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier 2, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Pier 2 Details, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 10, undated.