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
- 1386 more...
- ItemStruc003494 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003495 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- ItemStruc003496 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003497 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003498 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1950
- ItemStruc003499 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1951
- ItemStruc003500 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003501 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003502 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- 696 more...