Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1942. Burlington Northern File Number 4714, Reference Number 10109, Sheet 001.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1943. Burlington Northern File Number 4714, Reference Number 10108, Sheet 004.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1943. Burlington Northern File Number 4714, Reference Number 10108, Sheet 003.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1943. Burlington Northern File Number 4714, Reference Number 10108, Sheet 007.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1945. Burlington Northern File Number 4714, Reference Number 10101.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1945. Burlington Northern File Number 4714, Reference Number 10101, Sheet 002.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1951. Burlington Northern File Number 4714, Reference Number 10107, Sheet 001.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1952. Burlington Northern File Number 4714, Reference Number 10108.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1952. Burlington Northern File Number 4714, Reference Number 10101.

Northern Pacific Engineering Drawing: Roundhouse at Parkwater, Washington, prepared in 1952. Burlington Northern File Number 4714, Reference Number 10108.