Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T60.6 - Nena Creek, south of Cambrai, Oregon, Line Segment 053, Milepost 60.54. Sheet Z - 6 - 19 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 16 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T49.2 - White River, south of Sherar, Oregon, Line Segment 053, Milepost 49.20. Sheet Z - 6 - 16 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 13 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 4 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 4 - 9, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 5 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 2 - 10, undated.

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