Great Northern Engineering Drawing: Roundhouse and Shops, Selectomatic Monorail Layout at Hillyard, Washington, prepared in 1958. Burlington Northern File Number 8138, Reference Number 10101, Sheet 01R.

Great Northern Engineering Drawing: Roundhouse and Shops, Special Plain Top at Hillyard, Washington, prepared in 1958. Burlington Northern File Number 8138, Reference Number 10109.

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.

Great Northern Engineering Drawing: Roundhouse and Shops, Proposed Method Door Openings at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10103.

Great Northern Engineering Drawing: Roundhouse and Shops, Hanging Details at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10101, Sheet 008.

Great Northern Engineering Drawing: Roundhouse and Shops, Hanging Details at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10101, Sheet 009.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1954. Burlington Northern File Number 8138, Reference Number 10104.

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, Sheet 001.