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.

Great Northern Engineering Drawing: Oil Trap at Interbay, Washington, prepared in 1946. Burlington Northern File Number , Reference Number 10103.

Great Northern Engineering Drawing: Oil Pipeline From Time Oil Renew Anodes at Interbay, Washington, prepared in 1971. Burlington Northern File Number 1530-9, Reference Number 10111.

Great Northern Engineering Drawing: Office Building at Holgate Street Air Conditioning Units at Seattle, Washington, prepared in 1968. Burlington Northern File Number 9695, Reference Number 10109.

Great Northern Engineering Drawing: Office Building at Holgate Street Floor Plan at Seattle, Washington, prepared in 1968. Burlington Northern File Number 9695, Reference Number 10109.

Great Northern Engineering Drawing: Office Building at Holgate Street Heating and Ventilation Layout at Seattle, Washington, prepared in 1967. Burlington Northern File Number 9566-9699, Reference Number 10105, Sheet 009.

Great Northern Engineering Drawing: Office Building at Holgate Street Electrical Lighting Plan at Seattle, Washington, prepared in 1967. Burlington Northern File Number 9566-9699, Reference Number 10108, Sheet 007.

Great Northern Engineering Drawing: Office Building at Holgate Street Foundation Plan at Seattle, Washington, prepared in 1967. Burlington Northern File Number 9566-9699, Reference Number 10105, Sheet 002.

Great Northern Engineering Drawing: Office Building at Holgate Street Site Plan and Notes at Seattle, Washington, prepared in 1967. Burlington Northern File Number 9566-9699, Reference Number 10105, Sheet 001.