Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet HA - 044, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm Plate, Bridge E66.6 - Salem Parkway, south of Hopmere, Oregon, Line Segment 442, Milepost 66.60. Sheet 296 - 8431 - 20, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm Plan, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diaphragm and Plate, Bridge 190.6 - Four Mile Canyon, east of Paterson, Washington, Line Segment 047, Milepost 190.59. Sheet ML - 190 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet JK - 310, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, Bridge 6.7 - Lombard Street, north of Willbridge, Oregon, Line Segment 047, Milepost 6.70. Sheet AA - 502, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, Bridge 6.2 - Lombard Street, north of Willbridge, Oregon, Line Segment 047, Milepost 6.20. Sheet AA502, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Diagram, 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: Shop Plan - Diagonals, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 10, undated.