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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Roller, Bolts, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 21, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Roller Cast, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet JK - 222 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet/Bolts, Bridge 7.4 - Columbia Slough, north of East Saint Johns, Oregon, Line Segment 047, Milepost 7.40. Sheet C4524, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet/Bolts, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet/Bolts, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet/Bolts, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 427 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Rivet Span, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 14 - 18A, undated.