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
- 6162 more...
- ItemBB027905 - Northern Pacific Engineering Drawing: 30 Foot Beam Girder, Bridge 24 - Little Blackfoot River, West of Blossburg, Montana, undated
- ItemBB027906 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 24 - Little Blackfoot River, West of Blossburg, Montana, undated
- ItemBB027907 - Northern Pacific Engineering Drawing: Detail Additional Material, Bridge 24 - Little Blackfoot River, West of Blossburg, Montana, 1909
- ItemBB027908 - Northern Pacific Engineering Drawing: General Plan/Detail Abutment, Bridge 23.1, West of Blossburg, Montana, 1909
- ItemBB027909 - Northern Pacific Engineering Drawing: Masonry Plan, Bridge 13 - Union Pacific/Burlington Northern Railroad, West of Marshall, Washington, undated
- ItemBB027910 - Northern Pacific Engineering Drawing: Detail of Falsework, Bridge 13 - Union Pacific/Burlington Northern Railroad, West of Marshall, Washington, undated
- ItemBB027911 - Northern Pacific Engineering Drawing: Detail Slab Ballast Deck, Bridge 13 - Union Pacific/Burlington Northern Railroad, West of Marshall, Washington, undated
- ItemBB027912 - Northern Pacific Engineering Drawing: 45 Foot Deck Skew Girder, Bridge 13 - Union Pacific/Burlington Northern Railroad, West of Marshall, Washington, undated
- ItemBB027913 - Northern Pacific Engineering Drawing: General Plan/Detail of Girder, Bridge 13 - Union Pacific/Burlington Northern Railroad, West of Marshall, Washington, 1930
- 1557 more...