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
- 1414 more...
- ItemBB015806 - Northern Pacific Engineering Drawing: Temporary Pile Bridge, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015807 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015808 - Northern Pacific Engineering Drawing: General Plan, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015809 - Northern Pacific Engineering Drawing: Shop Plan - Erection and Anchor, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015810 - Northern Pacific Engineering Drawing: Shop Plan - Beam Span, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015811 - Northern Pacific Engineering Drawing: Shop Plan - Beam Span, Bridge 127 - Highway, West of De Smet, Montana, undated
- ItemBB015812 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB015813 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB015814 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- 6305 more...