Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 14, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 98.44. Sheet 194 - 1376 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, 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 - Bottom Chord, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 59, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 58, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 67, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 68, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 17 - 6, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 8, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 11 - 9, undated.