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
- 3334 more...
- ItemBB017920 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 45, West of Mcdonald, Montana, 1953
- ItemBB017921 - Northern Pacific Engineering Drawing: General Plan, Bridge 66, South of Ritzville, Washington, 1958
- ItemBB017922 - Northern Pacific Engineering Drawing: General Plan, Bridge 66 - Highway Department Drawing, South of Ritzville, Washington, undated
- ItemBB017923 - Northern Pacific Engineering Drawing: Railway Alignment/Grade, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017924 - Northern Pacific Engineering Drawing: Abutment Number 1, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017925 - Northern Pacific Engineering Drawing: Abutment Number 4, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017926 - Northern Pacific Engineering Drawing: Abutment 1 Reinforcement, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017927 - Northern Pacific Engineering Drawing: Abutment 4 Reinforcement, Bridge 66, South of Ritzville, Washington, undated
- ItemBB017928 - Northern Pacific Engineering Drawing: Piers 2/3, Bridge 66, South of Ritzville, Washington, undated
- 4385 more...