Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 19 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet JK - 316, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet 777 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 16, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 23, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 15 - 12, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet M - 8 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Bracket, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 17 - 8, undated.