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
- 574 more...
- ItemStruc005366 - Northern Pacific Engineering Drawing, Unloading Ramp and Platform at Longview, Washington, 1968
- ItemStruc005367 - Northern Pacific Engineering Drawing, Freight House at Longview, Washington, 1954
- ItemStruc005368 - Northern Pacific Engineering Drawing, Freight House at Longview, Washington, undated
- ItemStruc005369 - Northern Pacific Engineering Drawing, Freight House at Longview, Washington, undated
- ItemStruc005370 - Northern Pacific Engineering Drawing, Freight House at Longview, Washington, 1954
- ItemStruc005371 - Northern Pacific Engineering Drawing, Freight House at Longview, Washington, 1952
- ItemStruc005372 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, 1959
- ItemStruc005373 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, 1959
- ItemStruc005374 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, undated
- 1079 more...