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Spokane, Portland and Seattle Railway Engineering Drawing: Through Plate Girder Span, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 16 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Pin Connection Truss, Bridge 24.8 - Washougal River (West End), Camas, Washington, Line Segment 047, Milepost 24.75. Sheet AA - 325, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Girder Spans B/C, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 2 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Girder Span/Framing Plan, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet 256 - 6778 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Girder Span, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 20 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Girder Span, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 20 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Through Girder Span, Bridge 0.1 - north Portland Road, North Portland Junction, Oregon, Line Segment 047, Milepost 0.07. Sheet 256 - 6778 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Temporary Bents, Bridge A27.4 (159) - Milton Creek, Saint Helens, Oregon, Line Segment 440, Milepost 27.40. Sheet 230 - 8069 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Wire Supports, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 6 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Telegraph Brackets, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet NO - 222, undated.