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
- 1376 more...
- ItemStruc003484 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1953
- ItemStruc003485 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1950
- ItemStruc003486 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003487 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003488 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1959
- ItemStruc003489 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1968
- ItemStruc003490 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1969
- ItemStruc003491 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- ItemStruc003492 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1954
- 706 more...