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
- 579 more...
- 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
- ItemStruc005375 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, undated
- ItemStruc005376 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, 1953
- ItemStruc005377 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, 1953
- ItemStruc005378 - Northern Pacific Engineering Drawing, Depot at Kennewick, Washington, 1953
- ItemStruc005379 - Northern Pacific Engineering Drawing, Operator's Building at Longview Junction, Washington, 1960
- 1074 more...