Great Northern Engineering Drawing: Pier 88 Warehouse and Offices at Seattle, Washington, prepared in 1899. Burlington Northern File Number 8302-2, Reference Number 10107, Sheet 002.

Great Northern Engineering Drawing: Pier 88 Warehouse and Offices at Seattle, Washington, prepared in 1899. Burlington Northern File Number 8303-7, Reference Number 10107, Sheet 007.

Great Northern Engineering Drawing: Old South Yard Office 16 Foot X 20 Foot Addition at Interbay, Washington, prepared in 1969. Burlington Northern File Number 9642, Reference Number 10105, Sheet 003.

Great Northern Engineering Drawing: Old South Yard Office 16 Foot X 20 Foot Addition at Interbay, Washington, prepared in 1969. Burlington Northern File Number 9642, Reference Number 10105, Sheet 004.

Great Northern Engineering Drawing: Old South Yard Office 16 Foot X 20 Foot Addition at Interbay, Washington, prepared in 1969. Burlington Northern File Number 9642, Reference Number 10105, Sheet 001.

Great Northern Engineering Drawing: Old South Yard Office 16 Foot X 20 Foot Addition at Interbay, Washington, prepared in 1969. Burlington Northern File Number 9642, Reference Number 10105, Sheet 005.

Great Northern Engineering Drawing: Old South Yard Office 16 Foot X 20 Foot Addition at Interbay, Washington, prepared in 1969. Burlington Northern File Number 9642, Reference Number 10105, Sheet 002.

Great Northern Engineering Drawing: Oil Trap at Interbay, Washington, prepared in 1947. Burlington Northern File Number 293-5753-1, Reference Number 10106, Sheet 001.

Great Northern Engineering Drawing: Oil Trap at Interbay, Washington, prepared in 1947. Burlington Northern File Number 293-5753-2, Reference Number 10106, Sheet 002.

Great Northern Engineering Drawing: Oil Trap at Interbay, Washington, prepared in 1947. Burlington Northern File Number 11063-1, Reference Number 10112, Sheet 001.