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
- 1395 more...
- ItemStruc003503 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003504 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003505 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003506 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1949
- ItemStruc003507 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1948
- ItemStruc003508 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003509 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003510 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003511 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1952
- 687 more...