Northern Pacific Engineering Drawing: Waste Treatment Control 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 1976. Burlington Northern File Number 9999-3, Reference Number 10104.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1976. Burlington Northern File Number 9999-2, Reference Number 10104.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility Site Plan at Auburn, Washington, prepared in 1976. Burlington Northern File Number 9999-1, Reference Number 10104.

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.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-P2, Reference Number 10106.

Northern Pacific Engineering Drawing: Wastewater Treatment Facility at Auburn, Washington, prepared in 1977. Burlington Northern File Number 9999-4, Reference Number 10105.