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
- 468 more...
- 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
- ItemBB014718 - Northern Pacific Engineering Drawing: Howe Truss - Span, Bridge 58 - Palouse River, West of Perma, Washington, undated
- ItemBB014719 - Northern Pacific Engineering Drawing: Iron Detail for Truss, Bridge 58 - Palouse River, West of Perma, Washington, undated
- ItemBB014720 - Northern Pacific Engineering Drawing: Detail of Howe Truss, Bridge 58 - Palouse River, West of Perma, Washington, undated
- ItemBB014721 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 58 - Palouse River, Palouse, Washington, 1958
- ItemBB014722 - Northern Pacific Engineering Drawing: Deck Plate Lateral Girder, Bridge 58 - Palouse River, Palouse, Washington, undated
- ItemBB014723 - Northern Pacific Engineering Drawing: Deck Plate Lateral Girder, Bridge 58 - Palouse River, Palouse, Washington, undated
- ItemBB014724 - Northern Pacific Engineering Drawing: Deck Plate Lateral Girder, Bridge 58 - Palouse River, Palouse, Washington, undated
- 7251 more...