Great Northern Engineering Drawing: Trainmasters and Terminal Managers Building at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9721-8, Reference Number 10109.

Great Northern Engineering Drawing: Trainmasters and Terminal Managers Building at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9721, Reference Number 10112.

Great Northern Engineering Drawing: Trainmasters and Terminal Managers Building at Interbay, Washington, prepared in 1968. Burlington Northern File Number 9721, Reference Number 10110.

Great Northern Engineering Drawing: Unloading Platform, Concrete at Interbay, Washington, prepared in 1967. Burlington Northern File Number 9718-1, Reference Number 10110.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1959. Burlington Northern File Number SK-2106, Reference Number 10109.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1959. Burlington Northern File Number SK-2107, Reference Number 10110.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1960. Burlington Northern File Number SK-2125, Reference Number 10107.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1967. Burlington Northern File Number SK-2229, Reference Number 10111.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1967. Burlington Northern File Number 2K-2230, Reference Number 10112.

Great Northern Engineering Drawing: unnamed structure at Interbay, Washington, prepared in 1968. Burlington Northern File Number SK-2231, Reference Number 10104.