Northern Pacific Engineering Drawing: Freight House and Transport Facilities, Full Electronic Cable Assembly at South Seattle, Washington, prepared in 1970. Burlington Northern File Number 4862, Reference Number 10108.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities Axle Load Scale at South Seattle, Washington, prepared in 1970. Burlington Northern File Number 4862, Reference Number 10108, Sheet 002.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities Runway Conductor System at South Seattle, Washington, prepared in 1970. Burlington Northern File Number 4862, Reference Number 10106.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities at South Seattle, Washington, prepared in 1971. Burlington Northern File Number 4862-29, Reference Number 10104.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities at South Seattle, Washington, prepared in 1983. Burlington Northern File Number 4862-8, Reference Number 10112.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities at South Seattle, Washington, prepared in 1983. Burlington Northern File Number 4862-8, Reference Number 10112, Sheet A80.

Northern Pacific Engineering Drawing: Freight House and Transport Facilities at South Seattle, Washington, undated. Burlington Northern File Number 4862, Reference Number 101.