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
- 313 more...
- ItemBB037193 - Northern Pacific Engineering Drawing: Walk Down Pit Entry, Scale, Longview, Washington, undated
- ItemBB037194 - Northern Pacific Engineering Drawing: Drain Plan Sump Detail, Scale, Longview, Washington, undated
- ItemBB037195 - Northern Pacific Engineering Drawing: Pit Plan, Scale, Longview, Washington, undated
- ItemBB037196 - Northern Pacific Engineering Drawing: Shop Plan - Weighing in Motion Pit, Scale, Longview, Washington, undated
- ItemBB037197 - Northern Pacific Engineering Drawing: Shop Plan - Component Parts, Scale, Longview, Washington, undated
- ItemBB037198 - Northern Pacific Engineering Drawing: Shop Plan - Deck Plate, Scale, Longview, Washington, undated
- ItemBB037199 - Northern Pacific Engineering Drawing: Shop Plan - Plate Layout, Scale, Longview, Washington, undated
- ItemBB037200 - Northern Pacific Engineering Drawing: Shop Plan - Paint Specification, Scale, Longview, Washington, undated
- ItemBB037201 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Scale, Longview, Washington, undated
- 6 more...