Great Northern Engineering Drawing: Roundhouse and Shops, Foundation Universal Turret Lathe at Hillyard, Washington, prepared in 1945. Burlington Northern File Number 8138, Reference Number 10104.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1945. Burlington Northern File Number 8138, Reference Number 10106.

Great Northern Engineering Drawing: Roundhouse and Shops at Hillyard, Washington, prepared in 1945. Burlington Northern File Number 7328-1, Reference Number 10106, Sheet 001.

Great Northern Engineering Drawing: Roundhouse and Shops, Wheel Press at Hillyard, Washington, prepared in 1945. Burlington Northern File Number 8138, Reference Number 10106.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1946. Burlington Northern File Number 8138, Reference Number 10103.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1948. Burlington Northern File Number 8138, Reference Number 10103.

Great Northern Engineering Drawing: Roundhouse and Shops, Procedure for Installing Locking Bar Pockets at Hillyard, Washington, prepared in 1948. Burlington Northern File Number 8138, Reference Number 10112.

Great Northern Engineering Drawing: Roundhouse and Shops, Release Track at Hillyard, Washington, prepared in 1949. Burlington Northern File Number 8138, Reference Number 10102.

Great Northern Engineering Drawing: Roundhouse and Shops, Details and Shop Drawings at Hillyard, Washington, prepared in 1949. Burlington Northern File Number 8138, Reference Number 10105.

Great Northern Engineering Drawing: Roundhouse and Shops, Beam Bracing at Hillyard, Washington, prepared in 1950. Burlington Northern File Number 8138, Reference Number 10108, Sheet 0S1.