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 3007 - Track
- 300 more...
- ItemBB035888 - Northern Pacific Engineering Drawing: Shop Plan - Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035889 - Northern Pacific Engineering Drawing: Shop Plan - Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035890 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035891 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035892 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035893 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB035894 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ItemBB037186 - Northern Pacific Engineering Drawing: Shop Plan - Motor Control, Scale, Longview, Washington, undated
- ItemBB037187 - Northern Pacific Engineering Drawing: Shop Plan - Motor Control, Scale, Longview, Washington, undated
- 19 more...