Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9721, Reference Number 10110.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1969. Burlington Northern File Number SK-2236, Reference Number 10104.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1969. Burlington Northern File Number SK-2245, Reference Number 10109.

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: Yard Office at Interbay, Washington, prepared in 1929. Burlington Northern File Number 8738-3, Reference Number 10106.

Great Northern Engineering Drawing: Yard Office at Interbay, Washington, prepared in 1943. Burlington Northern File Number 8738-1, Reference Number 10112.

Great Northern Engineering Drawing: Yard Office at Interbay, Washington, prepared in 1948. Burlington Northern File Number 8738-2, Reference Number 10111.

Great Northern Engineering Drawing: Yard Office Ducts for Gas Heaters at Interbay, Washington, prepared in 1953. Burlington Northern File Number B-551, Reference Number 10109.

Great Northern Engineering Drawing: Yard Office Heating Plan at Interbay, Washington, prepared in 1959. Burlington Northern File Number 146, Reference Number 10105.

Great Northern Engineering Drawing: Yard Office Heating Plan at Interbay, Washington, prepared in 1959. Burlington Northern File Number 146, Reference Number 10105.