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Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Railway Bridge, Bridge 58.8 - Wind River, east of Stevenson, Washington, Line Segment 047, Milepost 58.74. Sheet, 1906.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Permanent Bridge, Bridge T151.0 - Greenwood Ave, Bend, Oregon, Line Segment 053, Milepost 151.03. Sheet AA - 335, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Permanent Bridge, Bridge T151.0 - Greenwood Ave, Bend, Oregon, Line Segment 053, Milepost 151.03. Sheet RR - 578, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Permanent Bridge, Bridge T151.0 - Greenwood Ave, Bend, Oregon, Line Segment 053, Milepost 151.03, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Grillage, Bridge A29.4S, west of Saint Helens, Oregon, Line Segment 440, Milepost 0.40. Sheet NO - 240, 1932.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Grillage, Bridge A29.4S, west of Saint Helens, Oregon, Line Segment 440, Milepost 0.40. Sheet NO - 241, 1932.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Extension, Bridge 10.4 - 5,6,7th Streets, Vancouver, Washington, Line Segment 047, Milepost 10.40, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Expansion Bolts, Bridge 265.8 - Burr Canyon, north of Burr, Washington, Line Segment 047, Milepost 265.8. Sheet 270 - 0, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Channel Pathway Check, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.