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Spokane, Portland and Seattle Railway Engineering Drawing: Steel Details, Bridge E71.6 - Mill Creek, south of Salem, Oregon, Line Segment 442, Milepost 71.26. Sheet WX - 188, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Detail, Bridge E40.3 - Underpass, Oregon, Line Segment 442, Milepost 40.3. Sheet PQ - 301, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Detail, Bridge A20.8 (166.1) - Scappoose Creek, west of Scappoose, Oregon, Line Segment 440, Milepost 20.82. Sheet NO - 299, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Design, Bridge E74.8 - County Road, south of Salem, Oregon, Line Segment 442, Milepost 74.75, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Design, Bridge 47.5 - Access Road, east of Skamania, Washington, Line Segment 047, Milepost 47.46. Sheet 315 - 6991 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Bents, Bridge 0.84 - Deschutes River, Bend, Oregon, Line Segment 637, Milepost 0.84, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Bents, Bridge 0.84 - Deschutes River, Bend, Oregon, Line Segment 637, Milepost 0.84, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Steel Bents Details, Bridge 0.84 - Deschutes River, Bend, Oregon, Line Segment 637, Milepost 0.84, undated.