Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 15 - 4, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 4, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 18, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.7. Sheet Z - 7 - 26 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 12 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 8 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 12 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 12 - 3, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge S29.3, Sweet Home, Oregon, Line Segment 457, Milepost 29.25. Sheet PQ304B, undated.