Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 26, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 28, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 33, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 34, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 5, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 36, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 23, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 13, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 16, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Lateral, Bridge E89.0 - Santiam River, south of Sidney, Oregon, Line Segment 442, Milepost 88.55. Sheet M - 8 - 15, undated.