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Spokane, Portland and Seattle Railway Engineering Drawing: Sheave Girder, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shafts, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shafts, Bridge A84.8 - Blind Slough, west of Clifton, Oregon, Line Segment 440, Milepost 84.71, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shafts, Bridge A62.7 - Clatskanie River, west of Clatskanie, Oregon, Line Segment 440, Milepost 62.67, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shafts and Doors, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 8 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shaft Swing Machinery, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shaft End Lift Machinery, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shaft Bearing/Hand Turn, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 7 - 29 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shaft and Rail Lock, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 22 - 10, undated.