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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floorbeam, Stringer and Lateral, Bridge E35.3 - Tualatin River, south of Tigard, Oregon, Line Segment 442, Milepost 35.21. Sheet 215 - 1314 - 6, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plate, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet HA - 044, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plate, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet HA - 044, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 15 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 39, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 8 - 23, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 37, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Plan, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 40, undated.