Northern Pacific Engineering Drawing: Yard Office at Auburn, Washington, prepared in 1962. Burlington Northern File Number 4662, Reference Number 10107, Sheet 001.

Northern Pacific Engineering Drawing: Yard Office at Auburn, Washington, prepared in 1962. Burlington Northern File Number 4662, Reference Number 10107, Sheet 002.

Northern Pacific Engineering Drawing: Water Treating Plant for Diesel Locomotive Cooling Systems at Auburn, Washington, prepared in 1956. Burlington Northern File Number 4665, Reference Number 10102.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1978. Burlington Northern File Number 9999, Reference Number 10109, Sheet E-2.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1978. Burlington Northern File Number 9999, Reference Number 10102.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1978. Burlington Northern File Number 9999, Reference Number 10102.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-A1, Reference Number 10107.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-A2, Reference Number 10107.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-P1, Reference Number 10108.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-M1, Reference Number 10107.