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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Spans, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 19, 1907.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Span Details, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Span Beams, Bridge E80.1 - Underpass, south of Orville, Oregon, Line Segment 442, Milepost 80.09. Sheet WX - 186B, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest/NorthWest Tower, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 14A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 14B, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 13, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - SouthWest Tower Column, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 16, undated.