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 3001 - Bridges
- 141 more...
- ItemBB014362 - Northern Pacific Engineering Drawing: 100 Foot Through Girder Span, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014363 - Northern Pacific Engineering Drawing: 100 Foot Through Girder Span, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014364 - Northern Pacific Engineering Drawing: Repair to Floor Beam, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014365 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014366 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014367 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 94.1 (303) - Lightning Creek, West of Eddy, Montana, undated
- ItemBB014368 - Northern Pacific Engineering Drawing: Sketch Proposed Steel Bridge, Bridge 55 - Flathead River, West of Perma, Montana, 1899
- ItemBB014369 - Northern Pacific Engineering Drawing: General Plan, Bridge 55 - Flathead River, West of Perma, Montana, undated
- ItemBB014370 - Northern Pacific Engineering Drawing: Detail of Pier/Abutment, Bridge 55 - Flathead River, West of Perma, Montana, undated
- 7578 more...