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
- 233 more...
- ItemBB033895 - Northern Pacific Engineering Drawing: Sequence of Operation, Scale, Spokane, Washington, undated
- ItemBB033896 - Northern Pacific Engineering Drawing: Shop Plan - General Arrangement, Scale, Spokane, Washington, undated
- ItemBB033897 - Northern Pacific Engineering Drawing: Shop Plan - Pit Requirements, Scale, Spokane, Washington, undated
- ItemBB033898 - Northern Pacific Engineering Drawing: Shop Plan - Approach and Exit, Scale, Spokane, Washington, undated
- ItemBB033899 - Northern Pacific Engineering Drawing: Shop Plan - Rail Requirements, Scale, Spokane, Washington, undated
- ItemBB033904 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material/Steel, Scale, Spokane, Washington, undated
- ItemBB033905 - Northern Pacific Engineering Drawing: Shop Plan - Load Cell, Scale, Spokane, Washington, undated
- ItemBB033906 - Northern Pacific Engineering Drawing: Installation Notes, Scale, Spokane, Washington, undated
- ItemBB033907 - Northern Pacific Engineering Drawing: Installation Notes, Scale, Spokane, Washington, undated
- 86 more...