Spokane, Portland and Seattle Railway Engineering Drawing: Site Map, Bridge 47.5 - Access Road, east of Skamania, Washington, Line Segment 047, Milepost 47.46. Sheet 315 - 6991 - 9, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Signal Light Box, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 9, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalks/Plan/Elevation, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalks, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalks, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalks, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalk Plan, Bridge 11.3 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.34. Sheet 0 - 3 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalk on Truss, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 99.87. Sheet SS - 451A, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Sidewalk on Truss, Bridge E35.3 - Tualatin River, south of Tigard, Oregon, Line Segment 442, Milepost 35.21. Sheet WW - 118A, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Wring Diagram, Turntable, Portland, Oregon, Line Segment 047. Sheet CR5169 - 4, undated.