Great Northern Engineering Drawing: Yard Air Facilities Area Plan at Interbay, Washington, prepared in 1969. Burlington Northern File Number SK-2250, Reference Number 10110.

Great Northern Engineering Drawing: Remodel Metal Building (moved from Oroville, Washington) for Lunch, Locker Room and Offices at Interbay, Washington, prepared in 1963. Burlington Northern File Number 9642-2, Reference Number 10104.

Great Northern Engineering Drawing: Remodel Metal Building (moved from Oroville, Washington) for Lunch, Locker Room and Offices at Interbay, Washington, prepared in 1963. Burlington Northern File Number 9642-1, Reference Number 10104.

Great Northern Engineering Drawing: Remodel Metal Building for Lunch, Locker Room and Offices at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9642, Reference Number 10107.

Great Northern Engineering Drawing: Remodel Metal Building for Lunch, Locker Room and Offices at Interbay, Washington, prepared in 1967. Burlington Northern File Number 9642-M1, Reference Number 10111.

Great Northern Engineering Drawing: Remodel Metal Building for Lunch, Locker Room and Offices at Interbay, Washington, prepared in 1963. Burlington Northern File Number 9642, Reference Number 10105.

Great Northern Engineering Drawing: Hump Yard Control Building at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9721, Reference Number 10110, Sheet 003.

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.

Great Northern Engineering Drawing: Hump Yard Control Building at Interbay, Washington, prepared in 1967. Burlington Northern File Number 9721, Reference Number 10106.