Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam Boiler Stack Guys at Portland, Oregon, prepared in 1946. Burlington Northern File Number TV-482, Reference Number 10103.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-221, Reference Number 10104, Sheet 011.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-213, Reference Number 10104, Sheet 003.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-224, Reference Number 10103, Sheet 014.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-223, Reference Number 10103, Sheet 013.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-220, Reference Number 10101, Sheet 010.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-214, Reference Number 10101, Sheet 004.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1943. Burlington Northern File Number PQ-222, Reference Number 10103, Sheet 012.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1942. Burlington Northern File Number PQ-215, Reference Number 10111, Sheet 005.

Spokane, Portland, and Seattle Railway Engineering Drawing: Engine House, Steam at Portland, Oregon, prepared in 1942. Burlington Northern File Number PQ-217, Reference Number 10112, Sheet 007.