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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 27, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 10 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 9 - 21, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chords, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 17, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 16, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T74.6 - Deschutes River, south of Dixon, Oregon, Line Segment 053, Milepost 74.65. Sheet Z - 7 - 22 - 13, undated.