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
- 2283 more...
- ItemBB016733 - Northern Pacific Engineering Drawing: Plan of East Abutment, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB016734 - Northern Pacific Engineering Drawing: Detail Nose Angle Piers, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB016735 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1955
- ItemBB016736 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1955
- ItemBB016737 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1955
- ItemBB016738 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1940
- ItemBB016739 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1940
- ItemBB016740 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62.1 - Spokane River, West of Trentwood, Washington, 1940
- ItemBB016741 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- 5436 more...