Great Northern Engineering Drawing: Roundhouse and Shops, Machine Shop Ventilation at Hillyard, Washington, prepared in 1968. Burlington Northern File Number 8138, Reference Number 10105, Sheet 0-1.

Great Northern Engineering Drawing: Roundhouse and Shops, Diesel Cleaning Room Air System at Hillyard, Washington, prepared in 1969. Burlington Northern File Number 8138, Reference Number 10110, Sheet 0M4.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington. Burlington Northern File Number 8136-72, Reference Number 101, Sheet 072.

Great Northern Engineering Drawing: Roundhouse and Shops, Stairs and Railings at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Reversible Motor Drive Foundation Plan at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.

Great Northern Engineering Drawing: Roundhouse and Shops, Procedure for Setting Spacer Post Guides at Hillyard, Washington. Burlington Northern File Number 8138, Reference Number 101.