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
- 2631 more...
- ItemBB017117 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB017118 - Northern Pacific Engineering Drawing: Shop Plan - Marking Diagram, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017119 - Northern Pacific Engineering Drawing: Shop Plan - Marking Diagram, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017120 - Northern Pacific Engineering Drawing: Shop Plan - End Post, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017121 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017122 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017123 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017124 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB017125 - Northern Pacific Engineering Drawing: Shop Plan - Posts, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- 5088 more...