Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711-70, Reference Number 10106, Sheet -70207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711-71, Reference Number 10106, Sheet -71207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711-73, Reference Number 10106, Sheet -73207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711-69, Reference Number 10110, Sheet 001207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711, Reference Number 10110, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1970. Burlington Northern File Number 8711, Reference Number 10109, Sheet 207.

Great Northern Engineering Drawing: Engine House and Shop at Interbay, Washington, prepared in 1971. Burlington Northern File Number 8711-M3, Reference Number 10104, Sheet 0M3207.

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.