Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Girder, 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 - Deck Girder Spans, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 7 - 12, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Footing, 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 - Deck Footing, 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 - Deck Footing, 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 - Deck Drain, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 91, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Drain, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 90, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Drain, Bridge 47.5 - Access Road, east of Skamania, Washington, Line Segment 047, Milepost 47.46. Sheet 315 - 6991 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Deck Assembly, 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 - Deck Assembly, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet HA - 044, undated.