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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Walkway Brackets, Bridge 190.6 - Four Mile Canyon, east of Paterson, Washington, Line Segment 047, Milepost 190.59. Sheet ML - 190 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Verticals, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 19, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Verticals, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 21, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Vertical, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Vertical Posts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Upper Shoe, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 48, undated.

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