Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711, Reference Number 101, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711, Reference Number 101, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711-45, Reference Number 101, Sheet 045207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711, Reference Number 101, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711, Reference Number 101, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, undated. Burlington Northern File Number 8711, Reference Number 101, Sheet 207.

Great Northern Engineering Drawing: Engine House at Interbay, Washington, prepared in 1928. Burlington Northern File Number 8711-1, Reference Number 10103.

Great Northern Engineering Drawing: Enginemen's Locker Room at Interbay, Washington, prepared in 1947. Burlington Northern File Number 9322-1, Reference Number 10111.

Great Northern Engineering Drawing: Enginemen's Locker Room (original in 1947, extension in 1960) Extension at Interbay, Washington, prepared in 1960. Burlington Northern File Number 9322-1, Reference Number 10107.

Great Northern Engineering Drawing: Hump Yard Control Building at Interbay, Washington, prepared in 1967. Burlington Northern File Number 9721, Reference Number 10110, Sheet A-1.