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

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 29, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 30, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 31, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral Bridge Beam, Bridge 291.4 - Oregon - Washington Railroad and Navigation Company Crossing, Washtucna, Washington, Line Segment 047, Milepost 291.4. Sheet 0 - 4 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Ladders, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 80, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Ladders, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 24 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Ladders, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 24 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Ladders, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 42, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Ladder/Railing, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 214 - 18, undated.