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
- 1530 more...
- ItemBB015937 - Northern Pacific Engineering Drawing: Shop Plan - Stiffener/Diaphragm, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015938 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015939 - Northern Pacific Engineering Drawing: Shop Plan - Section Girder, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015940 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015941 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015942 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015943 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Brace, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015944 - Northern Pacific Engineering Drawing: Shop Plan - Profile, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015945 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Detail, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- 6189 more...