Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3003 - Maintenance Facilities
- 1460 more...
- ItemStruc003568 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1910
- ItemStruc003569 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1911
- ItemStruc003570 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1910
- ItemStruc003571 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1910
- ItemStruc003572 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1910
- ItemStruc003573 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1911
- ItemStruc003574 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1911
- ItemStruc003575 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003576 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- 622 more...