Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3002 - Depots and Freighthouses
- 524 more...
- ItemStruc005257 - Northern Pacific Engineering Drawing, Depot at Sunnyside, Washington, 1953
- ItemStruc005258 - Northern Pacific Engineering Drawing, Depot at Sunnyside, Washington, undated
- ItemStruc005262 - Northern Pacific Engineering Drawing, Depot at Wheeler, Washington, 1968
- ItemStruc005263 - Northern Pacific Engineering Drawing, Depot at Wheeler, Washington, 1968
- ItemStruc005264 - Northern Pacific Engineering Drawing, Depot at Wheeler, Washington, 1968
- ItemStruc005265 - Northern Pacific Engineering Drawing, Unloading Platform at Wheeler, Washington, 1968
- ItemStruc005266 - Northern Pacific Engineering Drawing, Operator's House at Bridge 72.2 at Hoquiam, Washington, 1964
- ItemStruc005267 - Northern Pacific Engineering Drawing, Operator's House at Bridge 72.2 at Hoquiam, Washington, 1964
- ItemStruc005290 - Northern Pacific Engineering Drawing, Freight House at Walla Walla, Washington, 1965
- 1129 more...