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 3002 - Depots and Freighthouses
- 945 more...
- ItemStruc004108 - Great Northern Engineering Drawing, Depot at Skagit Valley, Washington, 1967
- ItemStruc004109 - Great Northern Engineering Drawing, Depot at Mount Vernon, Washington, 1967
- ItemStruc004110 - Great Northern Engineering Drawing, Depot at Mount Vernon, Washington, 1966
- ItemStruc004111 - Great Northern Engineering Drawing, Depot at Skagit Valley, Washington, 1973
- ItemStruc004112 - Great Northern Engineering Drawing, Depot at Skagit Valley, Washington, 1967
- ItemStruc004113 - Great Northern Engineering Drawing, Depot at Skagit Valley, Washington, 1967
- ItemStruc004114 - Great Northern Engineering Drawing, Depot at Skagit Valley, Washington, 1967
- ItemStruc004115 - Great Northern Engineering Drawing, Depot at Mount Vernon, Washington, undated
- ItemStruc004116 - Great Northern Engineering Drawing, Depot at Stanford, Montana, 1968
- 639 more...