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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Strut and Beam, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Structural Details, Bridge 8.5 - Union Pacific Railroad, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.53. Sheet 229 - 8158, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 17 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 29, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 27, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 20, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 31, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringers, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 3, undated.