Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1957. Burlington Northern File Number A57-D1799, 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 P-12058-2, Reference Number 10107, Sheet OE4.

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.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington, prepared in 1959. Burlington Northern File Number A57-D2024, Reference Number 10107.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number A57-C2121, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number P-12059-1, Reference Number 101.