Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column C9, Bridge 267.6 - Bouvey Canyon, Windust, Washington, Line Segment 047, Milepost 267.6. Sheet 777 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column C8, Bridge 267.6 - Bouvey Canyon, Windust, Washington, Line Segment 047, Milepost 267.6. Sheet 777 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column C7, Bridge 267.6 - Bouvey Canyon, Windust, Washington, Line Segment 047, Milepost 267.6. Sheet 777 - 2, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 42, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column Brace, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 43, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Column 10 and 11, Bridge 269.1 - Wilson Canyon, Farrington, Washington, Line Segment 047, Milepost 269.1. Sheet 777 - 3, undated.