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
- 1493 more...
- ItemBB015898 - Northern Pacific Engineering Drawing: Plan of Piling, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015899 - Northern Pacific Engineering Drawing: Shop Plan - General Assembly, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015902 - Northern Pacific Engineering Drawing: Renew Shear Rails, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015903 - Northern Pacific Engineering Drawing: Rail Lock Castings, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015904 - Northern Pacific Engineering Drawing: Shop Plan - General Erection, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015905 - Northern Pacific Engineering Drawing: Shop Plan - Strain Sheet, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015906 - Northern Pacific Engineering Drawing: Shop Plan - Foundation Plans, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015907 - Northern Pacific Engineering Drawing: Shop Plan - Ballast, etc., Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015908 - Northern Pacific Engineering Drawing: Shop Plan - Track Girder, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- 6226 more...