Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Top Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Stringer/Lateral, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 20, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet L1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet -, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet L4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet L5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Repairs, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet L2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Posts/Verticals, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Post/Vertical, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal/Frame, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 22, undated.