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
- 1369 more...
- ItemStruc003477 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1941
- ItemStruc003478 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1941
- ItemStruc003479 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- ItemStruc003480 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1944
- ItemStruc003481 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1958
- ItemStruc003482 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003483 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003484 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003485 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1950
- 713 more...