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
- 5169 more...
- ItemBB020090 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chords, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020091 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chords, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020092 - Northern Pacific Engineering Drawing: Shop Plan - Stringers, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020093 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam and Bill of Material, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020094 - Northern Pacific Engineering Drawing: Shop Plan - Posts, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020095 - Northern Pacific Engineering Drawing: Shop Plan - Portal, Strut, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020096 - Northern Pacific Engineering Drawing: Shop Plan - Pieces, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB020097 - Northern Pacific Engineering Drawing: New End Bearings, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1928
- ItemBB020098 - Northern Pacific Engineering Drawing: Miscellaneous Details, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- 2550 more...