Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 17 - 11, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Beams, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103 - 39, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Miscellaneous Beams, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Materials, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 30, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 15 - 19, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 40, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 25, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmarking, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet M - 8 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Matchmark Diagram, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet 194 - 1376 - 10, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Match Marking, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 1, undated.