Great Northern Engineering Drawing: Roundhouse and Shops, Locking Bar Pocket at Hillyard, Washington, prepared in 1952. Burlington Northern File Number 8138, Reference Number 10106.

Great Northern Engineering Drawing: Roundhouse and Shops, Locking Bar Pocket at Hillyard, Washington, prepared in 1952. Burlington Northern File Number 8138, Reference Number 10106.

Great Northern Engineering Drawing: Roundhouse and Shops, Monorail and Superstructure at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109, Sheet 02R.

Great Northern Engineering Drawing: Roundhouse and Shops, Monorail and Superstructure at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109, Sheet 04R.

Great Northern Engineering Drawing: Roundhouse and Shops, Limit Switch at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109.

Great Northern Engineering Drawing: Roundhouse and Shops, Wiring Diagram at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10108.

Great Northern Engineering Drawing: Roundhouse and Shops, Support Beam Carriage at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109.

Great Northern Engineering Drawing: Roundhouse and Shops, Release Track Top at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109.

Great Northern Engineering Drawing: Roundhouse and Shops, Main Girder at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10109.

Great Northern Engineering Drawing: Roundhouse and Shops, Straight Drop Table at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10110.