Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers and Frames, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers and Beam, 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 - Stringer/Support, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 70, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Lateral, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 20, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Lateral, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 8 - 11, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Lateral, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 8 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Brackets, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 21, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Brace, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 15 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer, Strut, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer, Laterals, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 22, undated.