Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts/Hanger, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 11, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 24, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 29, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 25, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 27, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 26, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 28, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 51, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 17 - 8, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 8, undated.