Great Northern Engineering Drawing: Power Plant Boiler at Interbay, Washington, prepared in 1957. Burlington Northern File Number SK-2067, Reference Number 10107.

Great Northern Engineering Drawing: Power Plant Condensate Pit at Interbay, Washington, prepared in 1958. Burlington Northern File Number SK-2073, Reference Number 10101.

Great Northern Engineering Drawing: Power Plant Fuel Oil Tank for Low Pressure Boiler at Interbay, Washington. Burlington Northern File Number SK-2078, Reference Number 101.

Great Northern Engineering Drawing: Pump House, 8 Foot X 10 Foot 8 Inch at Interbay, Washington, prepared in 1969. Burlington Northern File Number 7481-1A, Reference Number 10107, Sheet 01A.

Great Northern Engineering Drawing: Pump House, Metal at Interbay, Washington, prepared in 1967. Burlington Northern File Number 9716-1, Reference Number 10112.

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: 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 1968. Burlington Northern File Number 9642, Reference Number 10107.

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 (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.