Spokane, Portland and Seattle Railway Engineering Drawing: Voltage Check, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet 533 D844, undated.

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

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

Spokane, Portland and Seattle Railway Engineering Drawing: Towers for Telegraph, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet NO - 302, undated.

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