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
- 4856 more...
- ItemBB019727 - Northern Pacific Engineering Drawing: End Lift Adjust, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019728 - Northern Pacific Engineering Drawing: Steel Repair/Truss, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019729 - Northern Pacific Engineering Drawing: Steel Repair Detail/Bill of Material, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019730 - Northern Pacific Engineering Drawing: Steel Repair Detail/Bolt, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019731 - Northern Pacific Engineering Drawing: Replace Gusset Plate/Angle, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019732 - Northern Pacific Engineering Drawing: Installation Landing/Handrail, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019733 - Northern Pacific Engineering Drawing: Drawbridge Rail Key, Bridge 72.2 - Hoquiam River, West of Aberdeen, Washington, undated
- ItemBB019734 - Northern Pacific Engineering Drawing: Pile Abutment Through Plate Girder, Bridge 41 - Porter Creek, West of Oakville, Washington, 1907
- ItemBB019735 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 41 - Porter Creek, West of Oakville, Washington, 1948
- 2863 more...