Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-17, Reference Number 10108, Sheet 017.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-3, Reference Number 10108, Sheet 003.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-6, Reference Number 10108, Sheet 006.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-9, Reference Number 10108, Sheet 009.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-10, Reference Number 10108, Sheet 010.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-11, Reference Number 10108, Sheet 011.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-13, Reference Number 10108, Sheet 013.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-14, Reference Number 10108, Sheet 014.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1943. Burlington Northern File Number RS-187, Reference Number 10104.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1943. Burlington Northern File Number RS-187A, Reference Number 10104.