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 12-21-7-4, Reference Number 10108, Sheet 004.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-7, Reference Number 10108, Sheet 007.

Spokane, Portland, and Seattle Railway Engineering Drawing: Roundhouse at Vancouver, Washington, prepared in 1937. Burlington Northern File Number 12-21-7-8, Reference Number 10108, Sheet 008.

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 12-21-7-12, Reference Number 10108, Sheet 012.

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 1937. Burlington Northern File Number 12-21-7-16, Reference Number 10108, Sheet 016.

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 12-21-7-17, Reference Number 10108, Sheet 017.