Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 215 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 215 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge 47.5 - Access Road, east of Skamania, Washington, Line Segment 047, Milepost 47.46. Sheet 315 - 6991 - 13, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Machinery, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 13, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Details, Bridge T57.5 - Waupanita Creek, south of Cambrai, Oregon, Line Segment 053, Milepost 57.47. Sheet Z - 6 - 18 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Details, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 9, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 28, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T67.0 - Eagle Creek, Dant, Oregon, Line Segment 053, Milepost 67.00. Sheet Z - 6 - 20 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T60.6 - Nena Creek, south of Cambrai, Oregon, Line Segment 053, Milepost 60.54. Sheet Z - 6 - 19 - 6, undated.