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
- 1421 more...
- ItemStruc003529 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1929
- ItemStruc003530 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1929
- ItemStruc003531 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- ItemStruc003532 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- ItemStruc003533 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, undated
- ItemStruc003534 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1921
- ItemStruc003535 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1945
- ItemStruc003536 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1950
- ItemStruc003537 - Great Northern Engineering Drawing, Roundhouse and Shops at Hillyard, Washington, 1949
- 661 more...