Great Northern Engineering Drawing: Roundhouse and Shops, Plain Flush Floor Top at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10110.

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 03R.

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

Great Northern Engineering Drawing: Roundhouse and Shops, Locking Bar Arrangement at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10110.

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

Great Northern Engineering Drawing: Roundhouse and Shops, Main Girder for Body Support at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10110.

Great Northern Engineering Drawing: Roundhouse and Shops, Drop Table at Hillyard, Washington, prepared in 1953. Burlington Northern File Number 8138, Reference Number 10112.

Great Northern Engineering Drawing: Roundhouse and Shops, Schematic Water and Air Piping at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10103.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10103.

Great Northern Engineering Drawing: Roundhouse and Shops, Steel Rolling Doors at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10104, Sheet 002.