Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-C2027, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-C2112, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number D-2006, Reference Number 10106.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-D2311, Reference Number 10103.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number P-12058-4, Reference Number 10107, Sheet OE2.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-C2120, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number 57-727, Reference Number 10109, Sheet OF2.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number 57-727, Reference Number 10109, Sheet OFA.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-C2280, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number P-12058-3, Reference Number 10107, Sheet OE3.