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
- 167 more...
- ItemStruc002502 - Northern Pacific Engineering Drawing, Unloading Platform at Milton-Freewater, Oregon, 1961
- ItemStruc002504 - Northern Pacific Engineering Drawing, Unloading Ramp and Platform at Aberdeen, Washington, 1970
- ItemStruc002507 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, undated
- ItemStruc002508 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, undated
- ItemStruc002509 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, 1961
- ItemStruc002510 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, 1961
- ItemStruc002511 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, undated
- ItemStruc002512 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, 1961
- ItemStruc002513 - Northern Pacific Engineering Drawing, Depot at Trentwood, Washington, 1974
- 1486 more...