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

Spokane, Portland and Seattle Railway Engineering Drawing: Tooth Curved Rack/Pin, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 1 - 9 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Title Sheet, 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: Title Sheet, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 209, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Title Sheet, Bridge E126.9 - Willamette River, south of Harrisburg, Oregon, Line Segment 442, Milepost 125.99. Sheet V - 4 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie/Shim Details, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet 250 - 7054 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Space Expansion Joints, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 8 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Shifting, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62. Sheet X - 24 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Rods, Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417 - C, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Plate Spans 10 and 11, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet L - 8 - 13, undated.