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
- 7154 more...
- ItemBB029130 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029131 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029132 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029133 - Northern Pacific Engineering Drawing: Shop Plan - Top Chord, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029134 - Northern Pacific Engineering Drawing: Shop Plan - Crossgirder/Lateral Plate, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029135 - Northern Pacific Engineering Drawing: Shop Plan - Stringer, etc., Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029136 - Northern Pacific Engineering Drawing: Shop Plan - Stringer, etc., Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029137 - Northern Pacific Engineering Drawing: Shop Plan - Laterals, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029138 - Northern Pacific Engineering Drawing: Shop Plan - Lateral/Strut, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- 565 more...