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.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number AC-57-8146, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number P-12058-1, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number D-2006, Reference Number 101.

Spokane, Portland, and Seattle Railway Engineering Drawing: Dock Extension: Traveling Marine Tower at Vancouver, Washington. Burlington Northern File Number A57-D1799-1, Reference Number 101.

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, prepared in 1957. Burlington Northern File Number A57-D2026, 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-2005, 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-12058-5, Reference Number 10107, Sheet OEI.