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
- 3261 more...
- ItemBB017844 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 98 - Providence Coulee, Cunningham, Washington, undated
- ItemBB017845 - Northern Pacific Engineering Drawing: Structural Steel Details, Bridge 98 - Providence Coulee, Cunningham, Washington, undated
- ItemBB017847 - Northern Pacific Engineering Drawing: Cap and Parapet Details, Bridge 98A - Providence Coulee, Cunningham, Washington, undated
- ItemBB017848 - Northern Pacific Engineering Drawing: Parapet and Miscellaneous Details, Bridge 98A - Providence Coulee, Cunningham, Washington, undated
- ItemBB017849 - Northern Pacific Engineering Drawing: Deck and Walk Details, Bridge 98A - Providence Coulee, Cunningham, Washington, undated
- ItemBB017850 - Northern Pacific Engineering Drawing: Details of Masonry, Bridge 100 - Providence Coulee, West of Cunningham, Washington, 1942
- ItemBB017851 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 100 - Providence Coulee, West of Cunningham, Washington, undated
- ItemBB017852 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 100 - Providence Coulee, West of Cunningham, Washington, undated
- ItemBB017853 - Northern Pacific Engineering Drawing: Details of Wingwalls, Bridge 71, South of Ritzville, Washington, undated
- 4458 more...