Northern Pacific Engineering Drawing: Yard Office and Tower Basement Plan at Pasco, Washington. Burlington Northern File Number 4628, Reference Number 101.

Northern Pacific Engineering Drawing: Yard Office and Tower Basement Plan at Pasco, Washington. Burlington Northern File Number 4628, Reference Number 101.

Northern Pacific Engineering Drawing: Yard Office and Tower Fire Escape Stairs and Platform at Pasco, Washington. Burlington Northern File Number 4628, Reference Number 101.

Northern Pacific Engineering Drawing: Yard Office and Tower Fire Escape Sample at Pasco, Washington, prepared in 1974. Burlington Northern File Number 4628, Reference Number 10107, Sheet 001.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1972. Burlington Northern File Number 4628, Reference Number 10104.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1972. Burlington Northern File Number 4628, Reference Number 10105, Sheet 001.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1969. Burlington Northern File Number 4629, Reference Number 10101, Sheet 003.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1969. Burlington Northern File Number 4629, Reference Number 10107, Sheet 015.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1969. Burlington Northern File Number 4629, Reference Number 10107, Sheet 014.

Northern Pacific Engineering Drawing: Yard Office and Tower at Pasco, Washington, prepared in 1969. Burlington Northern File Number 4629, Reference Number 10107, Sheet 001.