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Spokane, Portland and Seattle Railway Engineering Drawing: Pedestal for Frame Bents, Bridge E98.6 - Calapooia River, south of Albany, Oregon, Line Segment 442, Milepost 99.87, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Partial Deck Renewal, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet 324 - 6094 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Panel Brace and Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge U13.5 - Overhead Bridge, Oregon, Line Segment 443, Milepost 13.5. Sheet RR - 273, 1931. Note: Timber bridge

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - B, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - C, undated.