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
- 461 more...
- ItemBB014707 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge 51, West of Craver, Montana, undated
- ItemBB014708 - Northern Pacific Engineering Drawing: General Plan/Detail Piers, Bridge 59 - Wynooche River, West of Montesano, Washington, 1917
- ItemBB014709 - Northern Pacific Engineering Drawing: Detail of East Approach, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB014710 - Northern Pacific Engineering Drawing: Masonry/Structure Details, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB014713 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 59 - Wynooche River, West of Montesano, Washington, 1948
- ItemBB014714 - Northern Pacific Engineering Drawing: Detail Repair Top Chord, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB014715 - Northern Pacific Engineering Drawing: Repair to Top Chord, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB014716 - Northern Pacific Engineering Drawing: 161 Foot 4 Inch Spans, Bridge 59 - Wynooche River, West of Montesano, Washington, undated
- ItemBB014717 - Northern Pacific Engineering Drawing: Detail of Piers, Bridge 58 - Palouse River, West of Perma, Washington, 1914
- 7258 more...