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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 16, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 13, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 25 - 15, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bottom Chord, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 6 - 11 - 13, undated.