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Spokane, Portland and Seattle Railway Engineering Drawing: Undercrossing, Bridge T151.2 - Franklin Avenue, Bend, Oregon, Line Segment 053, Milepost 151.30. Sheet 242 - 4989 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: U8 Connection Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Typical Tower Details, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Typical Tower Details, Bridge 270.0 - Box Canyon, north of Farrington, Washington, Line Segment 047, Milepost 270.0. Sheet 0 - 1 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Typical Section, Bridge E26.2 - Beaverton Creek, west of Saint Helens, Oregon, Line Segment 442, Milepost 26.21. Sheet 387 - 8389, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Typical Section, Bridge E26.2 - Beaverton Creek, west of Saint Helens, Oregon, Line Segment 442, Milepost 26.55. Sheet 387 - 8422, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Typical Details, Bridge 8.5 - Union Pacific Railroad, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.53. Sheet 229 - 8158 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Turntable Switch and Details, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 25 - 7, undated.