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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Chord/Diagonal, Bridge E35.3 - Tualatin River, south of Tigard, Oregon, Line Segment 442, Milepost 35.21. Sheet 215 - 1314 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Section, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 100, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Casting, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 35, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Bearing, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Center Bearing, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Castings, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 32, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Castings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 16, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Castings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 18, undated.