Spokane, Portland and Seattle Railway Engineering Drawing: Proposed Extension, Bridge 10.4 - 5,6,7th Streets, Vancouver, Washington, Line Segment 047, Milepost 10.40, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Expansion Clamp, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet TV - 282, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Bed Plate, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet SS514, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Details, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 10 - 13, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Gear Detail, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 10 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Gearing, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 10 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock Indicator Switch, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 24, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rail Lock, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 10 - 16, undated.