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
- 564 more...
- ItemBB014822 - Northern Pacific Engineering Drawing: General/Masonry Plans, Bridge 27, West of Blossburg, Montana, 1918
- ItemBB014823 - Northern Pacific Engineering Drawing: Masonry as Constructed, Bridge 27, West of Blossburg, Montana, undated
- ItemBB014824 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 27, West of Blossburg, Montana, undated
- ItemBB014825 - Northern Pacific Engineering Drawing: Add Safety Walk, Bridge 27, West of Blossburg, Montana, undated
- ItemBB014826 - Northern Pacific Engineering Drawing: Masonry Plan, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014827 - Northern Pacific Engineering Drawing: Falsework Plan, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014829 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 3 - Latah Creek, West of Empire, Washington, 1952
- ItemBB014830 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014831 - Northern Pacific Engineering Drawing: Detail of 50 Foot Deck Plate Girder (DPG), Bridge 3 - Latah Creek, West of Empire, Washington, undated
- 7155 more...