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Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Brackets, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet TV - 333, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Brackets, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet TV - 333, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Brackets, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet TV - 333, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Bracket Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet TV - 333, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tank Support/Stairs, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: T43.7 and T44.0 Stress Sheet, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: T43.7 and T44.0 General Plan, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: T43.7 and T44.0 Floor System, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: T43.7 and T44.0 Bents, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: System Bridge Painting Record, Bridge Standard Plan. Sheet NO - 191, undated.