Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Sheave Guard, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 205 - 96, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft/Pin/Gear, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 21, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 19, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft Assembly, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 15, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft Assembly, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 23, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Shaft and Pin, Turntable, Portland, Oregon, Line Segment 047, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Section Stringer, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 63, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rollers, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 15 - 38, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Roller, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 224 - 1, undated.